INSERT statement in Java and MS Access

Hi all,
can anyone please tell me how to insert data to an MS Access table using JSP i tried INSERT statement of java but it is getting errors saying INSERT statement is wrong. I have no idea about MS access insert statement. i am totally tired of this. Please someone help me.

Hello,
MS Sql can cause problems where it goes off standard, however I dont think insert is any different.
INSERT INTO table_name (column1, column2) VALUES (variable1, variable2)
Make sure your table and column names are exactly right, Java is case sensitive, so make sure the case is correct also.
The other common error is if you have a required field in the database that is not populated by your program, so, if for instance there was a column3 in the table for the above example, which was a required field, the sql would fail as there is no data being entered for column3.

Similar Messages

Java and MS-Access: Login Authentication trough SQL

Hi all,
I am currently new to the world of java and would like to ask something for a school project.
We have an MS-Access database setup which we want to use as an login-database.
We can select from the tables in the database using a standard SQL query, and print out the output, but we do not know how to combine the java-string "UserID" and "Corrpass" field to compare them with the database to check if the entered login is correct.
I know this question is a little bit on the SQL side, but could you please help me? The code for printing out Usernames was founfdon the bottom of this webpage:
http://www.ster.be/java/java6.html
Our Microsoft Access Database Layout:
MS-Access Database
Table: Users
| UserID -AutoNumber : UserID (Login code)
| Corrpass -text :The Correct Password for the above UserID
| UserVoornaam -text : First name
| UserAchternaam -text : Surname
All help/welcome/advise/flaming posts are welcome.

Hi all,
I am currently new to the world of java and would like to ask something for a school project.
We have an MS-Access database setup which we want to use as an login-database.
We can select from the tables in the database using a standard SQL query, and print out the output, but we do not know how to combine the java-string "UserID" and "Corrpass" field to compare them with the database to check if the entered login is correct.
I know this question is a little bit on the SQL side, but could you please help me? The code for printing out Usernames was founfdon the bottom of this webpage:
http://www.ster.be/java/java6.html
Our Microsoft Access Database Layout:
MS-Access Database
Table: Users
| UserID -AutoNumber : UserID (Login code)
| Corrpass -text :The Correct Password for the above UserID
| UserVoornaam -text : First name
| UserAchternaam -text : Surname
All help/welcome/advise/flaming posts are welcome.

Java and Ms access conection and modification

Hello everyone,
I have two problems:
1. I need to create tool that will create a test database and later on to populate it. The first problem is connected with creating the file. I do not know whether this is possible or not, but I want to create a file in which later on I can create tables and insert some values in the tables.
2. In this problem I want to input meaningfull values in the database columns? I do not know how this could be done.
Also at the moment I am have created the application and connect the application with a database file created from MS Access, with ODBC driver through the Control Panel.. What I mean to do is to create dinamicaly file according to the user input, and to populate that file with meaningfull data(values) later on. This is all done automatically, the user do not have to insert the values in the database, but through For loop at the moment I am inserting some kind of values, rows in the database, according the users input.
Any tips and help regarding any of the two above problems will be appreciated.
Thanks to everyone,
Borce.

Thanks for the reply. How do you mean to make a copy
of a "empty" file? From the command line....
copy empty.db mystuff.db
In your java code you do the same.
To create one file with MS Access
and than to use the copy of this file? If this is
what you mean thanks a lot, I thought that idea, but
I did had time to work on it. Yes that is one way,
and I will check whether it will work, if the user
changes the name of the file into something else.
That is the only way unless you want to use JNI and OLE (and I am only guessing that it is possible to do it that way.)
Also I have one more question, is it possible to use
the file, what I mean by use is to create table in it
or to insert values if I have not set this file to be
the database file in the Control Panel? Search for "DSN-less" connection strings for MS Access in this forum. The url must be exact or it will not work.
>
For the second problem, what I mean by meaningfull
data is that if the name of the column is "Name" to
put some kind of characters or to input from file. I
beleave that the meaningfull data. :) Still doesn't mean anything.
If you just want to populate the initial database with a small amount of data then just do it manually. Then that is what you use for the initial copy.
If it is more complicated then you can either use the MS Access import feature in the GUI (and still do the above copy) or you write some java code, perhaps getting the data from a file or not (up to you.)

SQL insert statement in java with Excel file

Dear all,
I wrote a program is as the follow:
import java.io.*;
import java.sql.*;
public class handleExcel
     Connection con = null;
     Statement stmnt = null;
     public handleExcel()
          String excel = "C:\\EGS\\app_files\\info_update_form_exported_data.xls";
          try
               Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
               String str="jdbc:odbc:DRIVER=Microsoft Excel Driver (*.xls);DBQ=" + excel + ";";
     String sql = "insert into [Sheet1$] (Name, Age, Test1, Test2, Test3) values ('mary','16','aa','bb','vv')";
               con = DriverManager.getConnection(str, "", "");
               stmnt = con.createStatement();
               stmnt.executeUpdate(sql);
          catch(Exception e)
               System.out.println("con is error!!");
               e.printStackTrace();
     public static void main(String[] args)
          handleExcel TestHpc = new handleExcel();
But when I run it, the error is as the follow:
java.sql.SQLException: [Microsoft][ODBC Excel Driver]
     at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6958)
     at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7115)
     at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(JdbcOdbc.java:3111)
     at sun.jdbc.odbc.JdbcOdbcStatement.execute(JdbcOdbcStatement.java:338)
     at sun.jdbc.odbc.JdbcOdbcStatement.executeUpdate(JdbcOdbcStatement.java:288)
     at hk.gov.edb.util.handleExcel.<init>(handleExcel.java:31)
     at hk.gov.edb.util.handleExcel.main(handleExcel.java:97)
Please help me to solve this problem. Thank you so much for your help!
Regards,
kzyo

Hi
You can use the[b] jakarta POI api in order to read/write Excel file from java. Pure Java, no drivers nedeed.
I tested and ok.
Hope this helps

Java and internet access

Hello all,
I have been trying to upload a URL in my java application but I am always getting URL not reachable error message generating from a thrown exception. I know this may be easy but I am not able to find any solution for this is there a way to set java access to the internet other than modifying the plugin with the proper proxy setting ?

Try searching with Google and find an answer in seconds.
http://www.javaworld.com/javaworld/javatips/jw-javatip42.html
http://www.rgagnon.com/javadetails/java-0085.html

Insert Statement with JAVA

I'm trying to insert Data into an access table. Moreover, I'm able to retrieve data on the table (to prove that I'm connecting fine)... I just can't insert Data
try
               Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
               Connection con = DriverManager.getConnection(url);
               System.out.println("Connection Successful");
               Statement st = con.createStatement();
               ResultSet rs = st.executeQuery("INSERT INTO Worker VALUES ('" + strDataName + "', '" + strDataDept + "', '" + dblDataHoursWrked + "', '" + dblDataHourlyWage + "', '" + dblDataPay + "')");
               rs.close();
               processQuery(con, st); // does what is nessesary to complete the current request
               st.close();
               con.close();
          catch (ClassNotFoundException e)
               System.out.println("failed to load OBCD driver. ");
               System.out.println ("Class errros: " + e);
          }For some reason, I don't have any errors Its just not inserting the data to the table.. any help would be greatly appreciated

try
               Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
               Connection con = DriverManager.getConnection(url);
               System.out.println("Connection Successful");
               Statement st = con.createStatement();
               //ResultSet rs = st.executeQuery("SELECT INTO Worker VALUES ('" + strDataName + "', '" + strDataDept + "', '" + dblDataHoursWrked + "', '" + dblDataHourlyWage + "', '" + dblDataPay + "')");
Here use update query "executeUpdate("UPDATE TABLENAME SET COLUMN=VALUE,.........................WHERE CANDITION );
rs.close();
               processQuery(con, st); // does what is nessesary to complete the current request
               st.close();
               con.close();
          catch (ClassNotFoundException e)
               System.out.println("failed to load OBCD driver. ");
               System.out.println ("Class errros: " + e);
U CHECK IT ,I THINK IT WILL WORK

How to tune the Insert statement?

Hi ,
I am using 10.2.0.4.0 version of oracle.
i am having one insert statement , which comes almost all the time in the TOP of my AWR elapsed time section.
And its somewhat similar to as below.
Query:
INSERT INTO a (InvoicePK, CheckPK)
SELECT DISTINCT ih.InvoicePK, cd.CheckPK
FROM at,
cd,
ih,
rd
WHERE at.AttachmentPK = :1
AND cd.CheckPK = at.CheckPK
AND at.AttachmentPK = rd.AttachPK
AND ih.PAYPK = cd.PAYEEPAYPK
AND ih.PayerNS = cd.PayerNS
AND ih.PayerPayId = cd.PayerPayId
AND ih.UpperInvoiceNum = rd.UPPERINVNUM
AND ih.InvoiceStatusCD NOT IN ('REJ', 'DNY');
Below is the plan for the 'Select ' statement i.e. used in the insert statement.
Execution Plan:
Plan hash value: 2232002808
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
| 0 | SELECT STATEMENT | | 1 | 193 | 9 (23)| 00:00:01 | | |
| 1 | HASH UNIQUE | | 1 | 193 | 9 (23)| 00:00:01 | | |
|* 2 | HASH JOIN | | 1 | 193 | 8 (13)| 00:00:01 | | |
| 3 | NESTED LOOPS | | 10 | 1740 | 4 (0)| 00:00:01 | | |
| 4 | NESTED LOOPS | | 1 | 85 | 3 (0)| 00:00:01 | | |
| 5 | TABLE ACCESS BY INDEX ROWID | at | 1 | 16 | 2 (0)| 00:00:01 | | |
|* 6 | INDEX UNIQUE SCAN | atpk1 | 1 | | 1 (0)| 00:00:01 | | |
| 7 | TABLE ACCESS BY INDEX ROWID | cd | 7359K| 484M| 1 (0)| 00:00:01 | | |
|* 8 | INDEX UNIQUE SCAN | cdpk1 | 1 | | 1 (0)| 00:00:01 | | |
|* 9 | TABLE ACCESS BY GLOBAL INDEX ROWID| ih | 10 | 890 | 2 (0)| 00:00:01 | ROWID | ROWID |
|* 10 | INDEX RANGE SCAN | IH_PAYPK_PAYERNS_PAYID | 5 | | 1 (0)| 00:00:01 | | |
| 11 | TABLE ACCESS BY INDEX ROWID | rd | 9 | 171 | 3 (0)| 00:00:01 | | |
|* 12 | INDEX RANGE SCAN | IDX_rd | 9 | | 2 (0)| 00:00:01 | | |
Predicate Information (identified by operation id):
2 - access("IH"."UPPERINVOICENUM"="RD"."UPPERINVNUM")
6 - access("AT"."ATTACHMENTPK"=7794833983)
8 - access("CD"."CHECKPK"="AT"."CHECKPK")
9 - filter("IH"."INVOICESTATUSCD"<>'REJ' AND "IH"."INVOICESTATUSCD"<>'DNY')
10 - access("IH"."PAYPK"="CD"."PAYEEPAYPK" AND "IH"."PAYERNS"="CD"."PAYERNS" AND "IH"."PAYERPAYID"="CD"."PAYERPAYID")
12 - access("RD"."ATTACHPK"=7794833983)
Statistics
1 recursive calls
0 db block gets
71 consistent gets
0 physical reads
0 redo size
316 bytes sent via SQL*Net to client
240 bytes received via SQL*Net from client
2 SQL*Net roundtrips to/from client
0 sorts (memory)
0 sorts (disk)
3 rows processed
The 'select' Statement executes with in seconds resulting 3 distinct records, but the insert statement takes ~20sec(Elaps time per execution
as shown in AWR report) for one time execution, so what must be the reason , and how should i proceed to resolve this performance issue?

You can do as follows:
- Enable trace
- execute the insert statement
- use tkprof (and put the results here) to see where's its taking long
Also, while insert is being executed, what are the wait events you see ?
I dont think there is problem with plan.

No insert Statements for EKKO EKPO in ST05 sql trace for transaction me21n

No insert Statements for EKKO EKPO in ST05 sql trace for transaction me21n.
IN ST05 I set a filter for ME21N and executed transaction to create a Purchase Order and then checked
ST05 but there is NO insert for EKKO or EKPO??
How Do I find in which columns of EKKO and EKPO data is inserted in ST05?
Edited by: DeepakNandikanti on Apr 28, 2010 8:27 AM

Hi,
I tried in my system and I can see INSERT statement on EKKO and EKPO tables. What exactly you are looking for? Some one else might have switched on the trace at the same time. Can you try again and see.
ST05=>Switch on trace
ME21N=>Create PO.
ST05=>Switch off and display trace.
In trace list search for EKKO and EKPO.
Column names are not shown in the trace list. It is the SQL trace and column list is generated dynamically like :A0, :A1....
@ Suhas,
That might be because the tables are updated via BAPIs ... Do you think SAP uses direct update statements on the DB tables ??
I didn't get above statement. Is there any other way of updation that happens when using BAPI? I believe that, even in case of BAPI there will be update task FMs called during database update. Please correct if i got it wrong.
Thanks,
Vinod.

Using the Insert statement in a Java program without hardcoding the data

hello.
this is james mcfadden. i have developed a program called Demo.java, which is used with another program called QueryTableModel.java (a program that allows data to be viewed in a JTable). The Demo.java program displays a menu, connects to a database, allows the user to add data into the database and allows the user to view data that is already in the database. I have a problem with the Demo.java program. I have hardcoded the Insert statement in it. How do you use the Insert statement to put data into a database without hardcoding the data?
import java.awt.*;//Contains all of the classes for creating user interfaces and for painting graphics and images
import java.awt.event.*;//Provides interfaces and classes for dealing with different types of events fired by AWT components
import javax.swing.*;//Provides a set of lightweight components that, to the maximum degree possible, work the same on all platforms
import javax.swing.table.*;//Provides classes and interfaces for dealing with javax.swing.JTable
import javax.swing.JOptionPane;//provides a class that makes it easy to pop up a standard dialog box that prompts users for a value or informs them of something
import java.sql.*;//Provides the API for accessing and processing data stored in a data source using the Java programming language
public class Demo extends JFrame{
   static String url = "jdbc:odbc:VideoLibrary";//a static variable that allows a connection to be made to a database called VideoLibrary
   static Statement stmt;//a static variable that allows a statement to be made once a connection is set up
   static Connection con;//a static interface that allows a connection to be made to a database
     //global variables
     JTextField hostField;//a class that allows a line of text to be changed
   JTextField queryField;//a class that allows a line of text to be changed
   QueryTableModel qtm;//a class that shows and changes regular two-dimensional tables of cells
   JComboBox comboBox;//a class that puts a button or editable field and a drop-down list together
   public static void main(String args[]){
      int choice=-1;//a variable of type int that is set to -1
          do{
         choice=getChoice();//invokes the method getChoice()
         if(choice!=0){
            getSelected(choice);//invokes the method getSelected(choice)
         }//end if
               //if the user chooses 5, it will cause him or her to exit the system
      }while(choice!=5);//end do-while
      System.exit(0);//closes down the menu screen
   }//end main
   public static int getChoice(){
      String choice;//a variable of type string
      int ch;//a variable of type int
      choice = JOptionPane.showInputDialog(null,"1. Maintain product details\n"+"2. Maintain member details\n"+"3. Maintain rental details\n"+"4. View product, member and rental details\n"+"5. Log Off\n\n"+"Enter your choice");//asks the user for some input
          ch = Integer.parseInt(choice);//a class that wraps a value of the primitive type int in an object
          return ch;//a method that returns an integer value
   }//end getChoice
   public static void getSelected(int choice){
          if(choice==1){
         maintainProductDetails();//invokes the method maintainProductDetails()
      }//end if
      if(choice==2){
         maintainMemberDetails();//invokes the method maintainMemberDetails()
      }//end if
          if(choice==3){
         maintainRentalDetails();//invokes the method maintainRentalDetails()
      }//end if
          if(choice==4){
             Demo test = new Demo();//invokes the constructor Demo()
         test.setVisible(true);//shows the JTable component by marking it as visible
          }//end if
   }//end getSelected
   public static Connection getConnection(){
      try {
         Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");//used to create a JDBC connection using a database
      }//end try
          catch(java.lang.ClassNotFoundException e){//causes an exception to be thrown when an application tries to load in a class through its string name
         System.err.print("ClassNotFoundException: ");//displays an error message
         System.err.println(e.getMessage());//returns the exception that was raised if an error occurred while attempting to load the ClassNotFoundException class
      }//end catch
      try {
         con=DriverManager.getConnection(url,"","");//tries to create a connection with the database using the DriverManager class
      }//end try
          catch(SQLException ex) {
         System.err.println("SQLException: " + ex.getMessage());//returns an SQL error message
      }//end catch
      return con;
   }//end getConnection
   public static void maintainProductDetails(){
      Connection con = getConnection();//creates a connection with the database
      String addProduct1, addProduct2, addProduct3, addProduct4, addProduct5, addProduct6, addProduct7, addProduct8, addProduct9, addProduct10;//string variables that represent information about the different types of product data that will be stored in the database
      addProduct1 = "insert into Product values (110001, 'The Killers - Sams Town', 5.00, 'G', 'CD', 2006)";
      addProduct2 = "insert into Product values (110002, 'Robbie Williams - Rudebox', 5.00, 'G', 'CD', 2006)";
      addProduct3 = "insert into Product values (110003, 'Razorlight - Razorlight', 5.00, 'G', 'CD', 2006)";
      addProduct4 = "insert into Product values (110004, 'My Chemical Romance - The Black Parade', 5.00, 'G', 'CD', 2006)";
      addProduct5 = "insert into Product values (110005, 'Snow Patrol - Eyes Open', 5.00, 'G', 'CD', 2006)";
      addProduct6 = "insert into Product values (110006, 'Scissor Sisters - Ta-Dah!', 5.00, 'G', 'CD', 2006)";
          addProduct7 = "insert into Product values (110007, 'Lovesounds - Justin Timberlake', 5.00, 'G', 'CD', 2006)";
      addProduct8 = "insert into Product values (110008, 'Director - We thrive on big cities', 5.00, 'G', 'CD', 2006)";
      addProduct9 = "insert into Product values (110009, 'Roxette - Roxette hits', 5.00, 'G', 'CD', 2006)";
      addProduct10 = "insert into Product values (110010, 'Pussy Cat Dolls - PCD', 5.00, 'G', 'CD', 2006)";
          try {
         stmt = con.createStatement();//Creates a Statement object for sending SQL statements to the database
             //statements are allowed to be made once a connection is set up
             stmt.executeUpdate(addProduct1);
         stmt.executeUpdate(addProduct2);
         stmt.executeUpdate(addProduct3);
         stmt.executeUpdate(addProduct4);
               stmt.executeUpdate(addProduct5);
         stmt.executeUpdate(addProduct6);
             stmt.executeUpdate(addProduct7);
         stmt.executeUpdate(addProduct8);
         stmt.executeUpdate(addProduct9);
         stmt.executeUpdate(addProduct10);
         stmt.close();//closes the Statement object
         con.close();//terminates the connection with the database
      }//end try
          catch(SQLException ex) {
         System.err.println("SQLException: " + ex.getMessage());//returns an SQL error message
      }//end catch
   }//end maintainProductDetails
   public static void maintainMemberDetails(){
      Connection con = getConnection();//creates a connection with the database
      String addMember1, addMember2, addMember3, addMember4, addMember5, addMember6, addMember7, addMember8, addMember9, addMember10;//string variables that represent information about the member data that will be stored in the database
      addMember1 = "insert into Member values (1234, 'Ann', 'Smyth', 'Upper Killult, Falcarragh, Co. Donegal', '(074)-9135210', '(087)-2030172', #5/11/85#, #5/12/06#)";
      addMember2 = "insert into Member values (2345, 'John', 'Murphy', 'Lower Killult, Falcarragh, Co. Donegal', '(074)-9135211', '(087)-2030173', #4/12/85#, #6/13/06#)";
      addMember3 = "insert into Member values (1324, 'James', 'McFadden', 'Lower Ardsbeg, Gortahork, Co. Donegal', '(074)-9165314', '(087)-2030171', #4/11/85#, #6/14/06#)";
      addMember4 = "insert into Member values (1235, 'Frankie', 'Ferry', 'Ardsmore, Gortahork, Co. Donegal', '(074)-9165325', '(087)-2031234', #6/13/60#, #6/15/06#)";
      addMember5 = "insert into Member values (1236, 'Daniel', 'McKimm', 'Ballyness, Falcarragh, Co. Donegal', '(074)-9135212', '(087)-2030184', #5/14/73#, #6/16/06#)";
      addMember6 = "insert into Member values (2346, 'Stephen', 'Doohan', 'Ballyness, Falcarragh, Co. Donegal', '(074)-9135213', '(087)-2030185', #6/13/85#, #5/13/06#)";
      addMember7 = "insert into Member values (2347, 'James', 'Ferry', 'Meenlaragh, Gortahork, Co.Donegal', '(074)-9165360', '(087)-2031345', #9/12/85#, #5/14/06#)";
      addMember8 = "insert into Member values (2348, 'Liam', 'Cannon', 'Derryconner, Gortahork, Co.Donegal', '(074)-9165324', '(087)-2031456', #4/11/86#, #5/15/06#)";
      addMember9 = "insert into Member values (2401, 'Ciaran', 'Ferry', 'Brinalack, Gweedore, Co.Donegal', '(074)-9176425', '(087)-2030282', #9/12/85#, #5/16/06#)";
      addMember10 = "insert into Member values (2402, 'Ciaran', 'McGee', 'Derrybeg, Gweedore, Co.Donegal', '(074)-9176536', '(087)-2030393', #9/14/85#, #5/18/06#)";
      try{
         stmt = con.createStatement();//Creates a Statement object for sending SQL statements to the database
               //statements are allowed to be made once a connection is set up
               stmt.executeUpdate(addMember1);
         stmt.executeUpdate(addMember2);
         stmt.executeUpdate(addMember3);
               stmt.executeUpdate(addMember4);
               stmt.executeUpdate(addMember5);
               stmt.executeUpdate(addMember6);
               stmt.executeUpdate(addMember7);
               stmt.executeUpdate(addMember8);
               stmt.executeUpdate(addMember9);
               stmt.executeUpdate(addMember10);
         stmt.close();//closes the Statement object
         con.close();//terminates the connection with the database
      }//end try
          catch(SQLException ex) {
         System.err.println("SQLException: " + ex.getMessage());//returns an SQL error message
      }//end catch
   }//end maintainMemberDetails
     public static void maintainRentalDetails(){
      Connection con = getConnection();//creates a connection with the database
      String addRental1, addRental2, addRental3, addRental4, addRental5, addRental6, addRental7, addRental8, addRental9, addRental10;//string variables that represent information about the loan data that will be stored in the database
      addRental1 = "insert into Rental values (110001, 'The Killers - Sams Town', 1234, 'Ann', 'Smyth', #9/01/06#, #9/10/06#, 'Yes', 2.00)";
      addRental2 = "insert into Rental values (120001, 'Mission Impossible 3', 2345, 'John', 'Murphy', #9/02/06#, #9/09/06#, 'No', 0.00)";
      addRental3 = "insert into Rental values (130001, 'Need for Special Carbon', 1324, 'James', 'McFadden', #9/03/06#, #9/12/06#, 'Yes', 2.00)";
      addRental4 = "insert into Rental values (110002, 'Robbie Williams - Rudebox', 1235, 'Frankie', 'Ferry', #9/04/06#, #9/11/06#, 'No', 0.00)";
      addRental5 = "insert into Rental values (120015, 'Prime', 1236, 'Daniel', 'McKimm', #9/05/06#, #9/14/06#, 'Yes', 2.00)";
      addRental6 = "insert into Rental values (130015, 'FIFA 07', 2346, 'Stephen', 'Doohan', #9/06/06#, #9/13/06#, 'No', 0.00)";
      addRental7 = "insert into Rental values (110009, 'Roxette - Roxette hits', 2347, 'James', 'Ferry', #9/07/06#, #9/16/06#, 'Yes', 2.00)";
      addRental8 = "insert into Rental values (120003, 'The Break Up', 2348, 'Liam', 'Cannon', #9/08/06#, #9/15/06#, 'No', 0.00)";
      addRental9 = "insert into Rental values (130027, 'Gears of War', 2401, 'Ciaran', 'Ferry', #9/09/06#, #9/18/06#, 'Yes', 2.00)";
      addRental10 = "insert into Rental values (110021, 'Scooter - Mind the Gap', 2402, 'Ciaran', 'McGee', #9/10/06#, #9/17/06#, 'No', 0.00)";
      try{
         stmt = con.createStatement();//Creates a Statement object for sending SQL statements to the database
               //statements are allowed to be made once a connection is set up
               stmt.executeUpdate(addRental1);
         stmt.executeUpdate(addRental2);
         stmt.executeUpdate(addRental3);
               stmt.executeUpdate(addRental4);
               stmt.executeUpdate(addRental5);
               stmt.executeUpdate(addRental6);
               stmt.executeUpdate(addRental7);
               stmt.executeUpdate(addRental8);
               stmt.executeUpdate(addRental9);
               stmt.executeUpdate(addRental10);
         stmt.close();//closes the Statement object
         con.close();//terminates the connection with the database
      }//end try
          catch(SQLException ex) {
         System.err.println("SQLException: " + ex.getMessage());//returns an SQL error message
      }//end catch
   }//end maintainRentalDetails
   public Demo(){//a constructor
      super("Demo Test Frame");//overrides the constructor
      setSize(350, 200);//Resizes this component so that it has width of 350 and height of 200
      comboBox = new JComboBox();//invokes the class JComboBox
      comboBox.addItem("jdbc:odbc:VideoLibrary");//adds the specified item to the end of the scrolling list
      qtm = new QueryTableModel();//invokes the class QueryTableModel
      JTable table = new JTable(qtm);//a class that shows and changes regular two-dimensional tables of cells
      JScrollPane scrollpane = new JScrollPane(table);//a class that provides a scrollable view of a lightweight component
      JPanel p1 = new JPanel();//a class that puts the combo box and query field in a panel
      p1.setLayout(new GridLayout(3, 2));//Sets the layout manager for this container
      p1.add(comboBox);//Appends the specified component to the end of this container
      p1.add(new JLabel("Enter your query: "));//Appends the specified component to the end of this container
      p1.add(queryField = new JTextField());//Appends the specified component to the end of this container
      p1.add(new JLabel("Click here to send: "));//Appends the specified component to the end of this container
      JButton jb = new JButton("Search");//a class that is an implementation of a "push" button
      jb.addActionListener(new ActionListener(){//Adds an ActionListener to the button
         public void actionPerformed(ActionEvent e){
            qtm.setHostURL();//invokes the method setHostURL
            qtm.setQuery(queryField.getText().trim());//invokes the method setQuery; and returns the text that is presented by this text component and returns a copy of the string, with leading and trailing whitespaces omitted
      } );//end addActionListener
      p1.add(jb);//Appends the specified component to the end of this container
      getContentPane().add(p1, BorderLayout.NORTH);//Returns the content pane
      getContentPane().add(scrollpane, BorderLayout.CENTER);//Returns the content pane
   }//end Demo
}//end class Demo
import java.sql.*;//Provides the API for accessing and processing data stored in a data source using the Java programming language
import java.io.*;//Provides for system input and output through data streams, serialization and the file system
import java.util.Vector;//provides a class that implements a growable array of objects
import javax.swing.*;//Provides a set of lightweight components that, to the maximum degree possible, work the same on all platforms
import javax.swing.table.*;//Provides classes and interfaces for dealing with javax.swing.JTable
public class QueryTableModel extends AbstractTableModel{
     Vector cache;//a class that constructs an empty vector so that its internal data array has size 10 and its standard capacity increment is zero
     int colCount;//a variable that counts the number of columns in the three tables
     String[] headers;//a class that represents character strings and all string literals in this program are implemented as instances of the String class
     Connection db;//an interface that allows a connection to be made to a database
     Statement statement;//an interface that allows executes the given SQL statement, which returns a single ResultSet object
     String currentURL;//a variable that allows the URL to be displayed in a combo box
     public QueryTableModel(){//a constructor
          cache=new Vector();//constructs an empty vector so that its internal data array has size 10 and its standard capacity increment is zero
          try{
         Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");//used by opening a JDBC connection using an URL
          }//end try
          catch(Exception e){
               System.out.println("problem loading the driver ");//an error message
          }//end catch
     }//end QueryTableModel
     public String getColumnName(int i){//Returns the designated column's name
        return headers;//returns the name of each column in the three table
     }//end getColumnName
     public int getColumnCount(){//Returns the number of columns in the column model
     return colCount;//returns the number of columns in the three tables
     }//end getColumnCount
     public int getRowCount(){//Returns the number of rows in this table's model
     return cache.size();//returns the number of components in the vector
     }//end getRowCount
     public Object getValueAt(int row, int col){//Returns the cell value at row and column
          return ((String[])cache.elementAt(row))[col];//Returns the component at the specified index
     }//end getValueAt
     public void setHostURL(){//sets the URL for the database
     String url = "jdbc:odbc:VideoLibrary";//a variable that allows a connection to be made to a database called VideoLibrary
     closeDB();//invokes the method closeDB()
          try{
db=DriverManager.getConnection(url,"","");//tries to create a connection with the database using the DriverManager class
statement=db.createStatement();//Creates a Statement object for sending SQL statements to the database
}//end try
catch(Exception e){
System.out.println("Could not initialize the database.");//an error message
e.printStackTrace();//a Throwable method that prints this throwable and it's backtrace to the standard error stream
}//end catch
     }//end setHostURL
public void setQuery(String q){//sets the kind of query that is to be sent to the database
          cache=new Vector();//constructs an empty vector so that its internal data array has size 10 and its standard capacity increment is zero
String s="select * from Product";//a variable that causes all the data that is in the product table to be displayed in a JTable, which also means that all the data that is in both the member and rental tables can also be displayed in a JTable
          try{
               ResultSet rs=statement.executeQuery(q);//an interface that is used to generate a database result set by executing a statement that queries the database
               ResultSetMetaData meta=rs.getMetaData();//an interface that is used to get information about the types and properties of the columns in a ResultSet object
               colCount=meta.getColumnCount();//Returns the number of columns in this ResultSet object
               headers=new String[colCount];//gets the name of each column in the three tables
               for(int h=1;h<=colCount;h++){
                    headers[h-1]=meta.getColumnName(h);//Get the designated column's name
               }//end for
               while(rs.next()){
                    String[] record=new String[colCount];//stores the name of each column in the three tables in memory
                    for(int i=0;i<colCount;i++){
                         record[i]=rs.getString(i+1);//Retrieves the value of the designated column in the current row of this ResultSet object as a String
                    }//end for
                    cache.addElement(record);//Adds the specified component to the end of this vector, increasing its size by one
               }//end while
               fireTableChanged(null);//Forwards the given notification event to all TableModelListeners that registered themselves as listeners for this table model
          }//end try
          catch(Exception e){
               cache=new Vector();//constructs an empty vector so that its internal data array has size 10 and its standard capacity increment is zero
               e.printStackTrace();//a Throwable method that prints this throwable and it's backtrace to the standard error stream
          }//end catch
     }//end setQuery
     public void initDB(String url){
          try{
               db=DriverManager.getConnection(url);//tries to create a connection with the database using the DriverManager class
               statement=db.createStatement();//Creates a Statement object for sending SQL statements to the database
          }//end try
          catch(Exception e){
               System.out.println("Could not initialize the database.");//an error message
               e.printStackTrace();//a Throwable method that prints this throwable and it's backtrace to the standard error stream
          }//end catch
     }//end initDB
     public void closeDB(){
          try{
               if(statement!=null){
               statement.close();//Releases this Statement object's database and JDBC resources immediately instead of waiting for this to happen when it is automatically closed
               }//end if
               if(db!=null){
               db.close();//Releases this Connection object's database and JDBC resources immediately instead of waiting for them to be automatically released
               }//end if
          }//end try
          catch(Exception e){
               System.out.println("Could not close the current connection.");//an error message
               e.printStackTrace();//a Throwable method that prints this throwable and it's backtrace to the standard error stream
          }//end catch
     }//end closeDB
}//end class QueryTableModel

here's an uncommented version of the code.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
import javax.swing.JOptionPane;
import java.sql.*;
public class Demo extends JFrame{
   static String url = "jdbc:odbc:VideoLibrary";
   static Statement stmt;
   static Connection con;
   JTextField hostField;
   JTextField queryField;
   QueryTableModel qtm;
   JComboBox comboBox;
   public static void main(String args[]){
      int choice=-1;
      do{
         choice=getChoice();
         if(choice!=0){
            getSelected(choice);
      }while(choice!=5);
      System.exit(0);
   public static int getChoice(){
      String choice;
      int ch;
      choice = JOptionPane.showInputDialog(null,"1. Maintain product details\n"+"2. Maintain member details\n"+"3. Maintain rental details\n"+"4. View product, member and rental details\n"+"5. Log Off\n\n"+"Enter your choice");
      ch = Integer.parseInt(choice);
      return ch;
   public static void getSelected(int choice){
      if(choice==1){
         maintainProductDetails();
      if(choice==2){
         maintainMemberDetails();
      if(choice==3){
         maintainRentalDetails();
      if(choice==4){
         Demo test = new Demo();
         test.setVisible(true);
   public static Connection getConnection(){
      try {
         Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
      catch(java.lang.ClassNotFoundException e){
         System.err.print("ClassNotFoundException: ");
         System.err.println(e.getMessage());
      try {
         con=DriverManager.getConnection(url,"","");
      catch(SQLException ex) {
         System.err.println("SQLException: " + ex.getMessage());
      return con;
   public static void maintainProductDetails(){
      Connection con = getConnection();
      String addProduct1, addProduct2, addProduct3, addProduct4, addProduct5, addProduct6, addProduct7, addProduct8, addProduct9, addProduct10;
      addProduct1 = "insert into Product values (110001, 'The Killers - Sams Town', 5.00, 'G', 'CD', 2006)";
      addProduct2 = "insert into Product values (110002, 'Robbie Williams - Rudebox', 5.00, 'G', 'CD', 2006)";
      addProduct3 = "insert into Product values (110003, 'Razorlight - Razorlight', 5.00, 'G', 'CD', 2006)";
      addProduct4 = "insert into Product values (110004, 'My Chemical Romance - The Black Parade', 5.00, 'G', 'CD', 2006)";
      addProduct5 = "insert into Product values (110005, 'Snow Patrol - Eyes Open', 5.00, 'G', 'CD', 2006)";
      addProduct6 = "insert into Product values (110006, 'Scissor Sisters - Ta-Dah!', 5.00, 'G', 'CD', 2006)";
      addProduct7 = "insert into Product values (110007, 'Lovesounds - Justin Timberlake', 5.00, 'G', 'CD', 2006)";
      addProduct8 = "insert into Product values (110008, 'Director - We thrive on big cities', 5.00, 'G', 'CD', 2006)";
      addProduct9 = "insert into Product values (110009, 'Roxette - Roxette hits', 5.00, 'G', 'CD', 2006)";
      addProduct10 = "insert into Product values (110010, '***** Cat Dolls - PCD', 5.00, 'G', 'CD', 2006)";
      try {
         stmt = con.createStatement();
         stmt.executeUpdate(addProduct1);
         stmt.executeUpdate(addProduct2);
         stmt.executeUpdate(addProduct3);
         stmt.executeUpdate(addProduct4);
         stmt.executeUpdate(addProduct5);
         stmt.executeUpdate(addProduct6);
         stmt.executeUpdate(addProduct7);
         stmt.executeUpdate(addProduct8);
         stmt.executeUpdate(addProduct9);
         stmt.executeUpdate(addProduct10);
         stmt.close();
         con.close();
      catch(SQLException ex) {
         System.err.println("SQLException: " + ex.getMessage());
   public static void maintainMemberDetails(){
      Connection con = getConnection();
      String addMember1, addMember2, addMember3, addMember4, addMember5, addMember6, addMember7, addMember8, addMember9, addMember10;
      addMember1 = "insert into Member values (1234, 'Ann', 'Smyth', 'Upper Killult, Falcarragh, Co. Donegal', '(074)-9135210', '(087)-2030172', #5/11/85#, #5/12/06#)";
      addMember2 = "insert into Member values (2345, 'John', 'Murphy', 'Lower Killult, Falcarragh, Co. Donegal', '(074)-9135211', '(087)-2030173', #4/12/85#, #6/13/06#)";
      addMember3 = "insert into Member values (1324, 'James', 'McFadden', 'Lower Ardsbeg, Gortahork, Co. Donegal', '(074)-9165314', '(087)-2030171', #4/11/85#, #6/14/06#)";
      addMember4 = "insert into Member values (1235, 'Frankie', 'Ferry', 'Ardsmore, Gortahork, Co. Donegal', '(074)-9165325', '(087)-2031234', #6/13/60#, #6/15/06#)";
      addMember5 = "insert into Member values (1236, 'Daniel', 'McKimm', 'Ballyness, Falcarragh, Co. Donegal', '(074)-9135212', '(087)-2030184', #5/14/73#, #6/16/06#)";
      addMember6 = "insert into Member values (2346, 'Stephen', 'Doohan', 'Ballyness, Falcarragh, Co. Donegal', '(074)-9135213', '(087)-2030185', #6/13/85#, #5/13/06#)";
      addMember7 = "insert into Member values (2347, 'James', 'Ferry', 'Meenlaragh, Gortahork, Co.Donegal', '(074)-9165360', '(087)-2031345', #9/12/85#, #5/14/06#)";
      addMember8 = "insert into Member values (2348, 'Liam', 'Cannon', 'Derryconner, Gortahork, Co.Donegal', '(074)-9165324', '(087)-2031456', #4/11/86#, #5/15/06#)";
      addMember9 = "insert into Member values (2401, 'Ciaran', 'Ferry', 'Brinalack, Gweedore, Co.Donegal', '(074)-9176425', '(087)-2030282', #9/12/85#, #5/16/06#)";
      addMember10 = "insert into Member values (2402, 'Ciaran', 'McGee', 'Derrybeg, Gweedore, Co.Donegal', '(074)-9176536', '(087)-2030393', #9/14/85#, #5/18/06#)";
      try{
         stmt = con.createStatement();
         stmt.executeUpdate(addMember1);
         stmt.executeUpdate(addMember2);
         stmt.executeUpdate(addMember3);
         stmt.executeUpdate(addMember4);
         stmt.executeUpdate(addMember5);
         stmt.executeUpdate(addMember6);
         stmt.executeUpdate(addMember7);
         stmt.executeUpdate(addMember8);
         stmt.executeUpdate(addMember9);
         stmt.executeUpdate(addMember10);
         stmt.close();
         con.close();
      catch(SQLException ex) {
         System.err.println("SQLException: " + ex.getMessage());
   public static void maintainRentalDetails(){
      Connection con = getConnection();
      String addRental1, addRental2, addRental3, addRental4, addRental5, addRental6, addRental7, addRental8, addRental9, addRental10;
      addRental1 = "insert into Rental values (110001, 'The Killers - Sams Town', 1234, 'Ann', 'Smyth', #9/01/06#, #9/10/06#, 'Yes', 2.00)";
      addRental2 = "insert into Rental values (120001, 'Mission Impossible 3', 2345, 'John', 'Murphy', #9/02/06#, #9/09/06#, 'No', 0.00)";
      addRental3 = "insert into Rental values (130001, 'Need for Special Carbon', 1324, 'James', 'McFadden', #9/03/06#, #9/12/06#, 'Yes', 2.00)";
      addRental4 = "insert into Rental values (110002, 'Robbie Williams - Rudebox', 1235, 'Frankie', 'Ferry', #9/04/06#, #9/11/06#, 'No', 0.00)";
      addRental5 = "insert into Rental values (120015, 'Prime', 1236, 'Daniel', 'McKimm', #9/05/06#, #9/14/06#, 'Yes', 2.00)";
      addRental6 = "insert into Rental values (130015, 'FIFA 07', 2346, 'Stephen', 'Doohan', #9/06/06#, #9/13/06#, 'No', 0.00)";
      addRental7 = "insert into Rental values (110009, 'Roxette - Roxette hits', 2347, 'James', 'Ferry', #9/07/06#, #9/16/06#, 'Yes', 2.00)";
      addRental8 = "insert into Rental values (120003, 'The Break Up', 2348, 'Liam', 'Cannon', #9/08/06#, #9/15/06#, 'No', 0.00)";
      addRental9 = "insert into Rental values (130027, 'Gears of War', 2401, 'Ciaran', 'Ferry', #9/09/06#, #9/18/06#, 'Yes', 2.00)";
      addRental10 = "insert into Rental values (110021, 'Scooter - Mind the Gap', 2402, 'Ciaran', 'McGee', #9/10/06#, #9/17/06#, 'No', 0.00)";
      try{
         stmt = con.createStatement();
         stmt.executeUpdate(addRental1);
         stmt.executeUpdate(addRental2);
         stmt.executeUpdate(addRental3);
         stmt.executeUpdate(addRental4);
         stmt.executeUpdate(addRental5);
         stmt.executeUpdate(addRental6);
         stmt.executeUpdate(addRental7);
         stmt.executeUpdate(addRental8);
         stmt.executeUpdate(addRental9);
         stmt.executeUpdate(addRental10);
         stmt.close();
         con.close();
      catch(SQLException ex) {
         System.err.println("SQLException: " + ex.getMessage());
   public Demo(){
      super("Demo Test Frame");
      setSize(350, 200);
      comboBox = new JComboBox();
      comboBox.addItem("jdbc:odbc:VideoLibrary");
      qtm = new QueryTableModel();
      JTable table = new JTable(qtm);
      JScrollPane scrollpane = new JScrollPane(table);
      JPanel p1 = new JPanel();
      p1.setLayout(new GridLayout(3, 2));
      p1.add(comboBox);
      p1.add(new JLabel("Enter your query: "));
      p1.add(queryField = new JTextField());
      p1.add(new JLabel("Click here to send: "));
      JButton jb = new JButton("Search");
      jb.addActionListener(new ActionListener(){
         public void actionPerformed(ActionEvent e){
            qtm.setHostURL();
            qtm.setQuery(queryField.getText().trim());
      p1.add(jb);
      getContentPane().add(p1, BorderLayout.NORTH);
      getContentPane().add(scrollpane, BorderLayout.CENTER);
import java.sql.*;
import java.io.*;
import java.util.Vector;
import javax.swing.*;
import javax.swing.table.*;
public class QueryTableModel extends AbstractTableModel{
     Vector cache;
     int colCount;
     String[] headers;
     Connection db;
     Statement statement;
     String currentURL;
     public QueryTableModel(){
          cache=new Vector();
          try{
         Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
          catch(Exception e){
               System.out.println("problem loading the driver ");
     public String getColumnName(int i){
        return headers;
     public int getColumnCount(){
     return colCount;
     public int getRowCount(){
     return cache.size();
     public Object getValueAt(int row, int col){
          return ((String[])cache.elementAt(row))[col];
     public void setHostURL(){
     String url = "jdbc:odbc:VideoLibrary";
     closeDB();
          try{
db=DriverManager.getConnection(url,"","");
statement=db.createStatement();
catch(Exception e){
System.out.println("Could not initialize the database.");
e.printStackTrace();
public void setQuery(String q){
          cache=new Vector();
String s="select * from Product";
          try{
               ResultSet rs=statement.executeQuery(q);
               ResultSetMetaData meta=rs.getMetaData();
               colCount=meta.getColumnCount();
               headers=new String[colCount];
               for(int h=1;h<=colCount;h++){
                    headers[h-1]=meta.getColumnName(h);
               while(rs.next()){
                    String[] record=new String[colCount];
                    for(int i=0;i<colCount;i++){
                         record[i]=rs.getString(i+1);
                    cache.addElement(record);
               fireTableChanged(null);
          catch(Exception e){
               cache=new Vector();
               e.printStackTrace();
     public void initDB(String url){
          try{
               db=DriverManager.getConnection(url);
               statement=db.createStatement();
          catch(Exception e){
               System.out.println("Could not initialize the database.");
               e.printStackTrace();
     public void closeDB(){
          try{
               if(statement!=null){
               statement.close();
               if(db!=null){
               db.close();
          catch(Exception e){
               System.out.println("Could not close the current connection.");
               e.printStackTrace();

Insert in Java via Microsoft Access

Hello People
I need insert into DataBase datas with app in Java and DataBase Microsoft Access. How insert in Microsoft Access with app Java? Witch the Syntax of the SQL for Microsoft Access with app Java?
Thanks
Richard
Java/Oracle Programmer

http://java.sun.com/docs/books/tutorial/jdbc/index.html

Extract statement and insert statement

can anyone explain me the use of this insert statement and extract statement.
INSERT lfa1-name1 INTO fg01
extract fg01.
thanks
phyrose

Hi,
       From f1 help....
EXTRACT
Basic form
EXTRACT fg.
Effect
Writes all fields of the field group fg (FIELD-GROUPS) as an entry in asequential dataset. If you have defined a field group HEADER,its fields precede each entry as a sort key. Afterwards, you canuse SORT and LOOP ... ENDLOOP to sort or process the datasetrespectively. No further EXTRACT statements are possible afterthis.
Notes
General:
As soon as you have extracted a dataset using EXTRACT, you canno longer extend the field group using INSERT. In particular, you cannot change the HEADERfield group at all after the first EXTRACT (regardless of thefield group to which it applied).
Large extract datasets are not stored in main memory. Instead, theyare kept in an external auxiliary file. You can set the directory inwhich this file is created using the SAP profile parameterDIR_EXTRACT. The default directory is the SAP data directory(SAP profile parameter DIR_DATA).
Notes
Runtime errors:
EXTRACT_AFTER_SORT/LOOP: EXTRACT after SORT, orLOOP. EXTRACT_BUFFER_NO_ROLL: Unable to create the required main
EXTRACT_FIELD_TOO_LARGE: Occupied length of a field is toolarge.
EXTRACT_HEADER_NOT_UNIQUE: Field group HEADER wasmodified after an EXTRACT statement.
EXTRACT_OPEN_EXTRACTFILE_OPEN:
Error opening the external extract dataset file.
EXTRACT_RESOURCEHANDLER_FAILED: Error deleting the externalextract dataset file.
EXTRACT_TOO_LARGE: Total length of the entry for extraction(including HEADER fields) is too large.
Additional help
Filling anExtract with Data
Extracts
Since internal tables have fixed line structures, they are not suited to handle data sets with varying structures. Instead, you can use extract datasets for this purpose.
An extract is a sequential dataset in the memory area of the program. You can only address the entries in the dataset within a special loop. The index or key access permitted with internal tables is not allowed. You may only create one extract in any ABAP program. The size of an extract dataset is, in principle, unlimited. Extracts larger than 500KB are stored in operating system files. The practical size of an extract is up to 2GB, as long as there is enough space in the filesystem.
An extract dataset consists of a sequence of records of a pre-defined structure. However, the structure need not be identical for all records. In one extract dataset, you can store records of different length and structure one after the other. You need not create an individual dataset for each different structure you want to store. This fact reduces the maintenance effort considerably.
In contrast to internal tables, the system partly compresses extract datasets when storing them. This reduces the storage space required. In addition, you need not specify the structure of an extract dataset at the beginning of the program, but you can determine it dynamically during the flow of the program.
You can use control level processing with extracts just as you can with internal tables. The internal administration for extract datasets is optimized so that it is quicker to use an extract for control level processing than an internal table.
Procedure for creating an extract:
Define the record types that you want to use in your extract by declaring them as field groups. The structure is defined by including fields in each field group.
Defining an Extract
Fill the extract line by line by extracting the required data.
Filling an Extract with Data
Once you have filled the extract, you can sort it and process it in a loop. At this stage, you can no longer change the contents of the extract.
Processing Extracts
INSERT Statement
The INSERT statement is used to insert values into a single database table.
<insert statement> ::= INSERT INTO <table name> <insert column list> <insert source>.
<insert source> ::= VALUES '(' <value> ( ',' <value> )* ')'
                            | <query specification>.
<value> ::= <value expression>
                | <dynamic parameter specification>
                | NULL.
<insert column list> ::= '(' <column name> ( ',' <column name> )* ')'.
In Open SQL the <insert column list> is not optional.
You cannot specify string literals as values for CLOB columns. Hex literals are not supported in Open SQL.
Examples
INSERT INTO employees (employee_id, employee_name)
              VALUES (4711, 'John Smith')
Inserting Values. A new row is inserted into the table employees with the values 4711 and 'John Smith' for the columns employee_id and employee_name respectively.
INSERT INTO well_paid_employees (employee_id, salary)
             SELECT employee_id, salary
                            FROM employees
                            WHERE salary > ?
Inserting the Result of a Query. The employee_idand the salaryof all employees from table employeeswith a salary exceeding a certain value are inserted into the table well_paid_employees.
Regards

Import statement in .java files and .jsp files

Guys I have few mysteries about this import statement.
Please correct me if I am wrong.
1)Suppose if I have a folder c:\SourceFolder it has one.java and two.java files.If I compile one.java then one.class files is created in c:\ClassFolder .Now two.java uses one of the method of one.java,and without using import statement I am able to compile two.java, and two.class file is created in c:\ClassFolder.I assume that the path of one.class was taken from the CLASSPATH environment variable,hence I there was no need for import statement .........am i right ?
BUT... in My.jsp,which is in C:\JspFolder, if I want to use one.class,then I have to specifically import the class I want to use.That is i have to say
<%@page import="one"%>
and since the classpath is C:\ClassFolder ,it finds one.class in the C:\ClassFolder.(Note that My.class is created in a folder different from c:\ClassFolder )
But I am wondering why was there no need for me to import one.class in two.java.
(Note I am using JDeveloper and Apache server)
Please help.
In this case the pSo I am wondering in JSP why it doesn't take the class I am looking for from the classpath .
Help.

You have to understand Java scoping rules. In the 1st scenario with the two Java files I am guessing neither one of them begins with a package statement. This means that they belong to the default package. When you compile the compiler uses the classpath to resolve method calls looking in the default package since there was no import statement specified in two.java. JSP is a little different. Now I just read this here in these forums a couple of days ago. Since the classfiles generated from the JSP files are not in the CLASSPATH they are loaded by a different classloader. This is why you have to import all references to all classes in the default package.

Import statement in .java files and .jsp files ..correction

Guys I have few mysteries about this import statement.
Please correct me if I am wrong.
1)Suppose if I have a folder c:\SourceFolder it has one.java and two.java files.If I compile one.java then one.class files is created in c:\ClassFolder .Now two.java uses one of the method of one.java,and without using import statement in two.java I am able to compile two.java, and two.class file is created in c:\ClassFolder.I assume that the path of one.class was taken from the CLASSPATH environment variable,hence I there was no need for import statement .........am i right ?
BUT... in My.jsp,which is in C:\JspFolder, if I want to use one.class,then I have to specifically import one.class in My.jsp .That is i have to say
<%@page import="one"%>
in My.jsp.
and since the classpath is C:\ClassFolder ,it finds one.class in the C:\ClassFolder and MyJsp is compiled sucessfully.(Note that My.class is created in a folder different from c:\ClassFolder )
But I am wondering why was there no need for me to import one.class in two.java.
(Note I am using JDeveloper and Apache server)
Please help.

It has to do with packages. Most java classes are in a package, the name of which must conform to its place on the filesystem relative to the classpath. By that I mean that if you have com.mystuff.One.java, it must be in a folder com/mystuff where com is located somewhere in the classpath.
What you've done is a little different. I'm assuming a couple of things:
1. you have no package declaration at the top of one.java or two.java
2. you have the current directory "." in your classpath.
Java has the concept of the "default package", which covers classes without a declared package, and in your case is the current directory.
So when you're in c:\sourcefolder and run the compiler, then "."="c:\sourcefolder", and that directory is part of the default package. No import statements are necessary for classes that are in the same package. This is why two.java can call methods in one.java without an import statement.
When you run your jsp, the "current directory" part of your classpath is not c:\sourcefolder, but some other value (probably the directory you start your jsp engine from) You will have to import all non-java-library classes because the jsp itself becomes a java class, with a package that is determined by the jsp engine.

How to get the table name and bind columns names in an INSERT statement ?

I have an INSERT statement with input parameters (for example
INSERT INTO my_table VALUES (:a, :a, :a)) and I want to know
without parsing the statement which is the name of table to
insert to and the corresponding columns.
This is needed to generate the SELECT FOR UPDATE statement to
refetch a BLOB before actually writing to it. The code does not
know in advance the schema (generic code).
Thanks in advance,
Joseph Canedo

Once you have prepared your statement, you can execute the
statement with the OCI_DESCRIBE_ONLY mode before binding any
columns. Then you can use OCIParamGet to find out about each
column (column index is 1-based). You should get OCI_NO_DATA or
ORA-24334 if there are no more columns in the statement. Note
that the parameter descriptor from OCIParamGet is
allocated/freed internally by OCI; you do not need to manage it
explicitly. The parameter descriptor is passed to OCIAttrGet in
order to obtain for instance the maximum size of data in the
column OCI_ATTR_DATA_SIZE. You can also get the column name in
this way, although I do not remember the #define off the top of
my head. Getting the table name appears to be much more
difficult; I have never had to do that yet. Good luck. -Ralph

Relation between record in a form and insert statement written in button

hi all,
i am using Forms [32 Bit] Version 6.0.8.24.1 (Production).
i have a master detail form with relation
A is master of B, B is master of C and a button which resides on control block(other than A,B,C).
so i will insert a one record into the block 'A' and i will press button which will insert particular record into particular table.
so when i try to move to next record('A' block) it is asking for database change. when i give 'yes' everything is ok. but when i give 'no'(w.r.t that record) and moves to next record and inserts the record and insert record throguh button also, at this time user press 'yes' then the first record is not saving but what ever i have inserted through the insert statement is not rolling back.
How can i control insert statement with the respect to datablock change in the block.
The block 'C' data is going to the other table through insert statement the block 'C' i am posting. So due to 'post' the block is not getting cleared so insert statement is also firing.
In other words i want to unpost the posted data when user press 'no' in the database message.
I know there is nothing to do with the forms message. But is its possible to control when user press 'no' then the insert statement should not gets saved into the table.
Please help.
Thanks..
Edited by: GD on Jun 27, 2011 5:38 AM

First off, you need to understand how Oracle Forms interacts with an Oracle database. Forms natively handles all DML transactions for you. Meaning, if you have a Forms data block based on a database table, Forms will generate all the necessary DML to handle any changes that occur in that block. You do not need to write your own DML statements in code.
so i will insert a one record into the block 'A' and i will press button which will insert particular record into particular table.Is Block "A" based on a table? How are you inserting the record into the table? If you are writting your own DML to insert the record this would explain why you are being prompted to save when you change records. As I mentioned, if your block is based on a table, Forms will know if you change a value within the block.
How can i control insert statement with the respect to datablock change in the block.If your blocks are based on tables, let Forms handle the DML! don't do it yourself.
In other words i want to unpost the posted data when user press 'no' in the database messageIf your block is based on a table, when you are prompted to save changes - answering 'NO' will automatically clear the current record of the data block (in essence - rollback the change).
Craig...

INSERT statement in Java and MS Access

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