Java and oracle variable type

I write a oracle procedure like this:
Type retstring is Record
a varchar2(6),
b varchar(10)
type retstr is table of retstring index by BINARY_INTEGER;
procedure getStr( ret out retstr )is
begin
loop
ret(i).a := a1;
ret(i).b := b1;
end loop;
end;
I want to call the procedure in my java program.How do i define the variable? Give me an example please!!

hightech wrote:
is bug!?!!?!to the original poster, this answer is not only incorrect but it is quite possibly deliberately misleading from a known forum troll. Please ignore it.

Similar Messages

How to relate java and Oracle

i have to tried to make programs using java and oracle. if i give the values in the 'insert' statement it is getting updated in the original table in oracle but how to take the values from the text fields of java and insert into the tables in oracle. do we have any methods to convert the values into sql type. pl reply.

Here is a sample of a Java program that uses JDBC and a PreparedStatement. This particular program does a select, but you can also use this for inserts. I'm not 100% this is what you are looking for, but if it isn't just let me know. I'll help if I can.
Joel
For inserts, just replace this code:
ResultSet rs = ps.executeQuery();
while (rs.next()) {
System.out.println(rs.getInt(rs.findColumn("CNT")));
}with this code (and obviously change the Select string to an Insert String):
int rowcnt = ps.executeUpdate();Here is the whole program:
import java.sql.*;
import java.util.*;
import java.text.*;
class dbtest {
    public static void main(String args[]) throws SQLException {
        try {
            String timeString = new String("2000-11-01 23:59:59");
            SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd H:m:s");
            java.util.Date date = format.parse(timeString);
            Timestamp timestamp = new Timestamp(date.getTime());
            DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
            Connection conn =
                DriverManager.getConnection(
                    "jdbc:oracle:thin:@riker:1521:mydb",
                    "myusername",
                    "mypassword");
            String sql =
                "SELECT COUNT(*) CNT FROM SERVICE_ALARM "
                    + "WHERE TRANS_STREAM_NODE_ID = ? "
                    + "AND SERVICE_ID = ? "
                    + "AND ALARM_ID = ? "
                    + "AND RAISED > TO_DATE(?,'YYYY-MM-DD HH24:MI:SS')";
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1, "ROW1");
            ps.setInt(2, 1);
            ps.setString(3, "ROW1");
            String myDate =
                timestamp.toString().substring(0, timestamp.toString().length() - 2);
            System.out.println("myDate=(" + myDate + ")");
            ps.setString(4, myDate);
            ResultSet rs = ps.executeQuery();
            while (rs.next()) {
                System.out.println(rs.getInt(rs.findColumn("CNT")));
            rs.close();
            ps.close();
        } catch (Exception e) {
            System.out.println("Java Exception caught, error message=" + e.getMessage());
}

Inconsistent java and sql object types

Hi,
I have run into error "Inconsistent java and sql object types"
while mapping a java class to a sql object type. The java class
is just a duplicate of sql data structure and I pretty much
follow the JDBC Developer's GUide's examples (20-43 to 20-45)
to create the mapping java class.
Any one runs into simliar problem or any clues?
Thanks,
Ed
Exception in thread "main" java.sql.SQLException: Inconsistent java and sql object types: InstantiationException:
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:168)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:210)
at oracle.sql.STRUCT.toClass(STRUCT.java:433)
at oracle.sql.STRUCT.toJdbc(STRUCT.java:366)
at oracle.jdbc.oracore.OracleTypeUPT.unpickle80rec
(OracleTypeUPT.java:236)
at
oracle.jdbc.oracore.OracleTypeCOLLECTION.unpickle80rec_elems
(OracleTypeCOLLECTION.java:553)
at oracle.jdbc.oracore.OracleTypeCOLLECTION.unpickle80rec
(OracleTypeCOLLECTION.java:383)
at oracle.jdbc.oracore.OracleTypeCOLLECTION.unpickle80
(OracleTypeCOLLECTION.java:329)
at oracle.jdbc.oracore.OracleTypeCOLLECTION.unlinearize
(OracleTypeCOLLECTION.java:218)
at oracle.sql.ArrayDescriptor.toJavaArray
(ArrayDescriptor.java:501)
at oracle.sql.ARRAY.getArray(ARRAY.java:197)

The safest way would be to use JPublisher to generate the type classes. In your application, you can just use the generated code to manipulate the object.

ERROR: Inconsistent java and sql object types

I am getting a nested object table in the form of an oracle.sql.ARRAY. I then call getResultSet() on this array and try to cast each object into a Java implementation of the SQLData interface (also defined in the connections type map).
This approach works for one nested object table but not for another. I get the error message:
"Inconsistent java and sql object types"
Does this mean that my Java to Oracle type mappings are wrong? Any help would be appreciated.
Regards
Steve

i had a similar situation. found out it was occuring because the oracle type had not been granted to the appropriate user.
todd kegley

Java and oracle in linux

hello frnds...i have installed oracle 10g in ubuntu 11.04....now i want to make database connection between java and oracle...so how can i do it??i know the java code..but the main problem is database driver..how can i give the classpath for specific jdbc dirver...pls tell me the steps to set classpath for jdbc driver...
thnx in advance..

884540 wrote:
hello frnds...i have installed oracle 10g in ubuntu 11.04....now i want to make database connection between java and oracle...so how can i do it??i know the java code..but the main problem is database driver..how can i give the classpath for specific jdbc dirver...pls tell me the steps to set classpath for jdbc driver...
thnx in advance..You can mention the classpath using the javac and java options:
javac -cp .;<path> <ClassName>.java
and
java -cp .;<path> <ClassName>
Or refer the below link to avoid mentioning classpath everytime you run/ compile the program
http://www.linuxquestions.org/questions/linux-software-2/j2sdk-install-174483/#post898715

Webdynpro java and oracle DB connection..

Hi,
I have a good knowledge of WD (web dynpro java) projects having ECC as backend as i have done lot of projects where ECC is backend and WD JAVA is front end.
but in my new project i have wd java as front end but my backend is oracle DB. I want to know how to create/setup connection betwen webdynpro java and oracle DB, how to proceed on this ? wat all settings I have to do in VA (visual admin) and all.
please let me know how to proceed on this. Any document/tutorial on this will be very helpful..

Hi Rahul,
Create a DataSource to the oracle db in Visual Admin, give the datasource an alias name and connect to the db from WebDynpro by calling the alias name.
These document might be useful:
[http://help.sap.com/saphelp_nw70/helpdata/en/c0/3ad4d5cdc66447a188b582aad537d3/frameset.htm]
[SAP Note 867176|https://websmp130.sap-ag.de/sap(bD1lbiZjPTAwMQ==)/bc/bsp/spn/sapnotes/index2.htm?numm=867176]
[SAP Note 941594|https://websmp130.sap-ag.de/sap(bD1lbiZjPTAwMQ==)/bc/bsp/spn/sapnotes/index2.htm?numm=0000941594&nlang=E]
Good luck!
Regards,
Aditya

The java and sql object type was not matched

My table(Oracle10.2) has a varying arrays column. For mapping to java classes, I use JDeveloper(10.1.3.1.0) to generate java classes. Then I try to insert a record into this varrying arrays column with java. While it always complaints java.sql.SQLException.the java and sql object type was not matched. I can not find the reason.
My java code:
               StructDescriptor structdesc = StructDescriptor.createDescriptor(
                         "VARRAY_SEQ", con);
               int nid=20;
               int pid=546;
               BigDecimal mynid=new BigDecimal(nid);
               mynid=mynid.setScale(0, BigDecimal.ROUND_HALF_UP);
               BigDecimal mypid=new BigDecimal(pid);
               mypid=mypid.setScale(0, BigDecimal.ROUND_HALF_UP);
               Object[] attributes = { "ASDF", mynid, "Developer", mypid,
                         "rwretw" };
               STRUCT Rel = new STRUCT(structdesc, con, attributes);
               stmt.setObject(8, Rel);
               stmt.execute();
               stmt.close();
And the STRUCT is
public RelSeq(String nucl, java.math.BigDecimal neId, String nuor, java.math.BigDecimal pId, String phor) throws SQLException
{ _init_struct(true);
setNucl(nucl);
setNeId(neId);
setNuor(nuor);
setPId(pId);
setPhor(phor);
}

My table(Oracle10.2) has a varying arrays column. For mapping to java classes, I use JDeveloper(10.1.3.1.0) to generate java classes. Then I try to insert a record into this varrying arrays column with java. While it always complaints java.sql.SQLException.the java and sql object type was not matched. I can not find the reason.
My java code:
               StructDescriptor structdesc = StructDescriptor.createDescriptor(
                         "VARRAY_SEQ", con);
               int nid=20;
               int pid=546;
               BigDecimal mynid=new BigDecimal(nid);
               mynid=mynid.setScale(0, BigDecimal.ROUND_HALF_UP);
               BigDecimal mypid=new BigDecimal(pid);
               mypid=mypid.setScale(0, BigDecimal.ROUND_HALF_UP);
               Object[] attributes = { "ASDF", mynid, "Developer", mypid,
                         "rwretw" };
               STRUCT Rel = new STRUCT(structdesc, con, attributes);
               stmt.setObject(8, Rel);
               stmt.execute();
               stmt.close();
And the STRUCT is
public RelSeq(String nucl, java.math.BigDecimal neId, String nuor, java.math.BigDecimal pId, String phor) throws SQLException
{ _init_struct(true);
setNucl(nucl);
setNeId(neId);
setNuor(nuor);
setPId(pId);
setPhor(phor);
}

Relation between java and oracle

Hi,
This is general information about java and oracle.
I had worked in java last one year, but now switch to oracle i heared that nearly combination of each are implemented oops concept. But i know where it used in java, not in oracle.
In oracle, where we are implemented inheritance, polymorhism and encapsulation.
plz give some tips
Regards venki

does this mean you used to develop your applications on java and manuplate your data in Oracle over JDBC or Hibernate but then you started to develop PL/SQL applications for this need and use PL/SQL's OO features?
With my experiences I may say if you are working on data intensive database applications learning how to use effectively SQL and PL/SQL is critical, this is Oracle's native language not something written to work for any database vendor. http://www.oracle.com/pls/db102/portal.portal_db?selected=5

Concurrency and Oracle Object Types

Hi All,
I have a question regarding Concurrent usage of an Object type in Oracle.
I have a java program which calls an Oracle stored proc with the object's table type as IN parameter. In my stored proc, I am populating an Oracle Object with data received from java and retrieving some data based on that.
My java program can be invoked concurrently by 500 users at the same time - the application is built to handle that request load.
Now in Oracle, if a bunch of requests are received at the same, would Oracle create multiple instances of this object type that would be usage to the multiple stored proc invocations? Or would there be a prob of concurrency?
If multiple instance creation is not supported, is there some alternative I can use?
My code roughly resembles:
Object:
contains two columns - name, age
Stored proc - logic to retrieve and return data from a table based on the name, age received.
When a bunch of requests access the stored proc simultaneously, will a bunch of instnaces of the object type get created? Or would there be a scenario where the object is common to all requests and hence data from one request would be conflicted due to data from another request?

Hi Wiiliam
Sorry for the late acknowledgement (i dozed off!).. Thanks for the response. So the private instance specific to a session ensure that theres no conflict between multiple requests to the same stored proc and hence no conflict of data... Great
Chaitanya

Reports from Java and Oracle database

Hi
I need to generate couple of reports from my application, with Java as front end and oracle 11.2.0.3.0. database . Reports are having very simple select statements, using the criteria users enter from GUI. we don't need to execute a direct select statement from Java, with the where clauses . I did some research and found out about Pipelined functions. I tested for a small set of records and it worked fine. Will this work for large data set? any drawbacks of using this method? Any other methods for this requirement?
Thanks in advance
JP

Pipeline table functions do not sound like the appropriate approach. It is designed to primarily deal with data transformations. Using it as a rendering engine for report writing? There are fundamental problems with such an approach.
As Dave and Andre commented - the CORRECT means for PL/SQL to pass "data" to Java (or other client languages) is via reference cursors (pointers that the client can use for referencing SQL cursor programs on the server). And Java as a report writer does not really compare with the ease and flexibility that Oracle Apex (Application Express) provides as a reporting framework.

ERD and oracle object types

Is there a good way to model oracle object types using ERD's in designer 6i. I can only figure out how to map to tables with columns of predefined datatypes (varchar2, number, date, long). I'd like to use designer to create new datatypes. Is this possible? Thanks.

Hi Wiiliam
Sorry for the late acknowledgement (i dozed off!).. Thanks for the response. So the private instance specific to a session ensure that theres no conflict between multiple requests to the same stored proc and hence no conflict of data... Great
Chaitanya

3 tiers model with Java and Oracle.

Hi everybody. I have a problem with my work. I want to design a simple program follow 3 tiers model with Java and database is Oracle. But I do not know how I can design them. Please help me. It will better if you give some source code for each layer.
Thanks in advance.
Ky Thanh.

I'd suggest searching the net for tutorials. Pick out the things you don't know about and need to know (SQL? JDBC? Java? software design in general?) and google: tier architecture, sql tutorial, etc. Sun's Java & JDBC tutorials are at http://java.sun.com/learning/tutorial/index.html
Source for each tier? Read the JDBC tutorial and you can write the database tier source yourself. Learn Swing/Servlets/whatever you use for the user interface and you can write the top tier. The middle tier is your business logic, which is dependent on your area of business, and you'll need to know about the business and just general programming. Then if the tiers need to be distributed (hopefully not), you'll need to learn EJB or something.
I hope you haven't been given a task there you aren't ready to take on... Learning to swim by jumping into the river is a great way to learn in a school assignment, but you mention work, and learning that way at work sounds a bit risky to me.

What files to download for java and oracle?

Hey
I have read that i have to download and implement some drivers to get oracle to work in
java, but which should i download and where?
Im using Oracle Express 10 and java 1.6
Thanks

Here's the link to get just the drivers
http://www.oracle.com/technology/software/tech/java/sqlj_jdbc/index.html
You could also install the oracle client if you wish to use sql*plus, it has jdbc drivers in folder named jdbc. This is probably a good idea as sql*plus can prove whether your problem is java or oracle.
Installation is simple, you put ojdbc14.jar in the classpath of your compiles and executions. If you are using an IDE, you follow what it provides in its documentation. For Java Studio Enterprise you add them from the "Runtime" window.

Java and Oracle Reports

How to connect java with oracle report server... i m using a swing application.... I have seen api documentation but didnt get things. please help...

user13323568 wrote:
How to connect java with oracle report server... i m using a swing application.... I have seen api documentation but didnt get things. please help...How can anyone help you?
You "don't get things", that is a problem you have to solve before you can be helped. Maybe you just need to spend more time on it or find better documentation; API documentation is only a reference, not a manual.

Java and a double type variable

Hello.
I?m having problems with double type variables.
code:
public class Java{
public static void main(String[] args){
double s =0.00;
for(int i=0; i<10; i++){
s+=0.01;
System.out.println(s);
it prints the following
0.01
0.02
0.03
0.04
0.05
0.060000000000000005
0.07
0.08
0.09
0.09999999999999999
dont get it why 0.05+0.01 = 0.060000000000000005 ?

hightech wrote:
is bug!?!!?!to the original poster, this answer is not only incorrect but it is quite possibly deliberately misleading from a known forum troll. Please ignore it.

Java and oracle variable type

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