I want a smiple sql query to create a calender
Hi,
I can not find my sql query to create a calender.
It is just the one who already shows when you create a calender.
I am writing documentation and I have no acces to Oracle Portal anymore.
Can somebody give me that sql query ?
Thanks a lot,
Chu Lam
Hi,
This the one.
select
EMP.HIREDATE the_date,
EMP.ENAME the_name,
null the_name_link,
null the_date_link,
null the_target
from SCOTT.EMP
order by EMP.HIREDATE
Thanks,
Sharmila
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Edited by: user8914294 on Dec 21, 2009 11:58 AM
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END
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WHEN 'ACME' THEN 1
WHEN 'TOMA' THEN 2
END
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FROM my_tab
GROUP BY poi
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test.jsp - call UserTrace.java
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Code:
** test.jsp **
<%@ page language="java" contentType="text/html" %>
<%@ page import="user.*, java.util.*" %>
<jsp:useBean id="usertrace" class="user.UserTrace" scope="session" />
<%
if (session.isNew())
session.setAttribute("usertrace", usertrace);
session.setMaxInactiveInterval(15);
%>
** UserTrace.java **
package user;
import java.util.*;
import javax.servlet.http.*;
import java.io.*;
import java.beans.*;
import java.sql.*;
import user.*;
public class UserTrace implements javax.servlet.http.HttpSessionBindingListener {
private Connection con = null;
Statement stmt = null;
ResultSet rs = null;
String sql;
public void valueBound(HttpSessionBindingEvent event) {
public void valueUnbound(HttpSessionBindingEvent event) {
try {
Class.forName("org.gjt.mm.mysql.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost/test?user=abc&password=abcd");
stmt = con.createStatement();
sql = "insert into list(username, session_id) values ('mary', 'xxxxxxxxx')";
int count = stmt.executeUpdate(sql);
catch (ClassNotFoundException e) {
catch (SQLException e) {
}Hi,
U can use the following code:
/********** IMPORTING PACKAGES AND CLASSES *******/
// General package id
package id;
//Import the Vector class as this bean handles Vector.
import java.util.Vector;
//Import the SQL class to create the connections,statement,resultset etc.,
import java.sql.*;
//Import the SQL Types to call the setNull Method.
import java.sql.Types.*;
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public class dataBean
/*********** Global Declarations ********/
// To create the connection object
Connection con;
// To create the Statement object
Statement stmt;
// To create the PreparedStatement object
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// To Handle the ResultSet
ResultSet rs;
// Most of the method need to hold the querystring for which qryString variable declare globally.
String qryString=null;
/************ METHODS **************/
/* To set the connection object
con - Connection object
public void setConnection(Connection con)
try
this.con = con;
catch(Exception e)
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tblNameString - Name of the Table
dataVector - vector contains the values according to the table order
eg., element(0) has first field, element(1) has second field vice versa
colType - String array contains type of all the fields.
return true - if record inserted successfully
fase - if insertion fails
public boolean insertRecord(String tblNameString,Vector dataVector,String colType[])
boolean sucFlag=false;
try
String commaString = "";
int fieldCount = dataVector.size();
for (int i=0;i<fieldCount-1;i++)
commaString +="?,";
commaString+="?";
if (fieldCount > 0)
qryString = "insert into "+tblNameString+" values ("+commaString+")";
psmt = con.prepareStatement(qryString);
for(int i=0;i<colType.length;i++)
if (colType.equals("I"))
psmt.setInt(i+1,Integer.parseInt(dataVector.elementAt(i).toString()));
else if (colType[i].equals("F"))
psmt.setFloat(i+1,Float.parseFloat(dataVector.elementAt(i).toString()));
else if (colType[i].equals("S") || colType[i].equals("D"))
psmt.setString(i+1,dataVector.elementAt(i).toString());
else if (colType[i].equals("IN")||colType[i].equals("FN"))
psmt.setNull(i+1,java.sql.Types.NUMERIC);
else if (colType[i].equals("SN"))
psmt.setNull(i+1,java.sql.Types.VARCHAR);
else if (colType[i].equals("DN"))
psmt.setNull(i+1,java.sql.Types.DATE);
int sucCnt = psmt.executeUpdate();
if (sucCnt > 0) sucFlag=true;
catch(Exception e)
return sucFlag;
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dataVector - vector contains the values according to the table order
eg., element(0) has first field, element(1) has second field vice versa
return true - if record inserted successfully
fase - if insertion fails
public boolean insertRecord(String tblNameString,Vector dataVector)
boolean sucFlag=false;
Vector colType = getColumnType(tblNameString);
try
String commaString = "";
int fieldCount = dataVector.size();
for (int i=0;i<fieldCount-1;i++)
commaString +="?,";
commaString+="?";
if (fieldCount > 0)
qryString = "insert into "+tblNameString+" values ("+commaString+")";
psmt = con.prepareStatement(qryString);
for(int i=0;i<colType.size();i++)
if (colType.elementAt(i).toString().equals("I"))
if (dataVector.elementAt(i)==null||dataVector.elementAt(i).toString().equals(""))
psmt.setNull(i+1,java.sql.Types.NUMERIC);
else
psmt.setLong(i+1,Long.parseLong(dataVector.elementAt(i).toString()));
else if (colType.elementAt(i).toString().equals("F"))
if (dataVector.elementAt(i)==null||dataVector.elementAt(i).toString().equals(""))
psmt.setNull(i+1,java.sql.Types.NUMERIC);
else
psmt.setDouble(i+1,Double.parseDouble(dataVector.elementAt(i).toString()));
else if (colType.elementAt(i).toString().equals("S"))
if (dataVector.elementAt(i)==null||dataVector.elementAt(i).toString().equals(""))
psmt.setNull(i+1,java.sql.Types.VARCHAR);
else
psmt.setString(i+1,dataVector.elementAt(i).toString());
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if (dataVector.elementAt(i)==null||dataVector.elementAt(i).toString().equals(""))
psmt.setNull(i+1,java.sql.Types.DATE);
else
psmt.setString(i+1,dataVector.elementAt(i).toString());
int sucCnt = psmt.executeUpdate();
if (sucCnt > 0) sucFlag=true;
catch(Exception e)
return sucFlag;
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dataVector - vector which contains the values according to the table order
eg., element(0) has first field, element(1) has second field vice versa
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return true - if record inserted successfully
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boolean sucFlag=false;
String fieldString=" ";
try
String commaString = "";
int fieldCount = dataVector.size();
for (int i=0;i<(fieldCount/2)-1;i++)
commaString +="?,";
commaString+="?";
if (fieldCount > 0)
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for (int i=0,j=0;i<fieldCount;i+=2,j++)
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valueString[j]=dataVector.elementAt(i+1).toString();
if (fieldString.substring(fieldString.length()-1,fieldString.length()).equals(","))
fieldString=fieldString.substring(0,fieldString.length()-1);
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psmt = con.prepareStatement(qryString);
for (int i=1,j=0;i<fieldCount;i+=2,j++)
if (colType[j].equals("I"))
if (dataVector.elementAt(i)==null||dataVector.elementAt(i).toString().equals(""))
psmt.setNull(j+1,java.sql.Types.NUMERIC);
else
psmt.setInt(j+1,Integer.parseInt(dataVector.elementAt(i).toString()));
else if (colType[j].equals("L"))
if (dataVector.elementAt(i)==null||dataVector.elementAt(i).toString().equals(""))
psmt.setNull(j+1,java.sql.Types.NUMERIC);
else
psmt.setLong(j+1,Long.parseLong(dataVector.elementAt(i).toString()));
else if (colType[j].equals("F"))
if (dataVector.elementAt(i)==null||dataVector.elementAt(i).toString().equals(""))
psmt.setNull(j+1,java.sql.Types.NUMERIC);
else
psmt.setFloat(j+1,Float.parseFloat(dataVector.elementAt(i).toString()));
else if (colType[j].equals("DB"))
if (dataVector.elementAt(i)==null||dataVector.elementAt(i).toString().equals(""))
psmt.setNull(j+1,java.sql.Types.NUMERIC);
else
psmt.setDouble(j+1,Double.parseDouble(dataVector.elementAt(i).toString()));
else if (colType[j].equals("S"))
if (dataVector.elementAt(i)==null||dataVector.elementAt(i).toString().equals(""))
psmt.setNull(j+1,java.sql.Types.VARCHAR);
else
psmt.setString(j+1,dataVector.elementAt(i).toString());
else if (colType[j].equals("D"))
if (dataVector.elementAt(i)==null||dataVector.elementAt(i).toString().equals(""))
psmt.setNull(j+1,java.sql.Types.DATE);
else
psmt.setString(j+1,dataVector.elementAt(i).toString());
int sucCnt = psmt.executeUpdate();
if (sucCnt > 0) sucFlag=true;
catch(Exception e)
return sucFlag;
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tblNameString - Name of the table
return vector which contains the column types of the desired table
public Vector getColumnType(String tblNameString)
int colCount = 0;
String locString="";
Vector colVector = new Vector();
try
qryString = "select DATA_TYPE from user_tab_columns where table_name=? ORDER BY COLUMN_ID";
psmt = con.prepareStatement(qryString);
psmt.setString(1,tblNameString.toUpperCase());
rs = psmt.executeQuery();
while (rs.next())
colCount = rs.getMetaData().getColumnCount();
for(int i=1;i<=colCount;i++)
locString = rs.getString(i);
colVector.addElement(locString.equals("DATE")?"D":locString.equals("NUMBER")?"F":locString.equals("VARCHAR2")?"S":locString.equals("VARCHAR")?"S":"");
rs.close();
catch(Exception e)
return colVector;
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tblNameString - Name of the Table
dataVector - vector which contains the values according to the table order
eg., element(0) has first field, element(1) has second field vice versa
colType - String array contains type of all the fields.
return true - if record successfully updated
false - if Update fails
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boolean sucFlag=false;
String fieldString=" ";
try
String commaString = "";
int fieldCount = dataVector.size();
for (int i=0;i<fieldCount-1;i++)
commaString +="?,";
commaString+="?";
if (fieldCount > 0)
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for (int i=0,j=0;i<fieldCount;i+=2,j++)
fieldString=fieldString+dataVector.elementAt(i)+"=?,";
valueString[j]=dataVector.elementAt(i+1).toString();
if (fieldString.substring(fieldString.length()-1,fieldString.length()).equals(","))
fieldString=fieldString.substring(0,fieldString.length()-1);
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psmt = con.prepareStatement(qryString);
for(int i=0,vectorPos=1;i<colType.length;i++,vectorPos+=2)
if (colType[i].equals("I"))
if (dataVector.elementAt(vectorPos)==null||dataVector.elementAt(vectorPos).toString().equals(""))
psmt.setNull(i+1,java.sql.Types.NUMERIC);
else
psmt.setInt(i+1,Integer.parseInt(dataVector.elementAt(vectorPos).toString()));
else if (colType[i].equals("L"))
if (dataVector.elementAt(vectorPos)==null||dataVector.elementAt(vectorPos).toString().equals(""))
psmt.setNull(i+1,java.sql.Types.NUMERIC);
else
psmt.setLong(i+1,Long.parseLong(dataVector.elementAt(vectorPos).toString()));
else if (colType[i].equals("F"))
if (dataVector.elementAt(vectorPos)==null||dataVector.elementAt(vectorPos).toString().equals(""))
psmt.setNull(i+1,java.sql.Types.NUMERIC);
else
psmt.setFloat(i+1,Float.parseFloat(dataVector.elementAt(vectorPos).toString()));
else if (colType[i].equals("DB"))
if (dataVector.elementAt(vectorPos)==null||dataVector.elementAt(vectorPos).toString().equals(""))
psmt.setNull(i+1,java.sql.Types.NUMERIC);
else
psmt.setDouble(i+1,Double.parseDouble(dataVector.elementAt(vectorPos).toString()));
else if (colType[i].equals("S"))
if (dataVector.elementAt(vectorPos)==null||dataVector.elementAt(vectorPos).toString().equals(""))
psmt.setNull(i+1,java.sql.Types.VARCHAR);
else
psmt.setString(i+1,dataVector.elementAt(vectorPos).toString());
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if (dataVector.elementAt(vectorPos)==null||dataVector.elementAt(vectorPos).toString().equals(""))
psmt.setNull(i+1,java.sql.Types.DATE);
else
psmt.setString(i+1,dataVector.elementAt(vectorPos).toString());
int sucCnt = psmt.executeUpdate();
if (sucCnt > 0) sucFlag=true;
} // end of if
} // end of try
catch(Exception e)
return false;
return sucFlag;
public ResultSet getResultSet(String selectString)
try
stmt = con.createStatement();
rs = stmt.executeQuery(selectString);
catch(Exception e)
System.out.println(e.getMessage());
finally
return rs;
/* Get Query Result
selectString - Query
return the result vector based on the querystring
public Vector getResultVector(String selectString)
Vector resVector = new Vector();
try
stmt = con.createStatement();
rs = stmt.executeQuery(selectString);
while (rs.next())
resVector.addElement(rs.getString(1));
resVector.addElement(rs.getString(2));
catch(Exception e)
System.out.println(e.getMessage());
finally
return resVector;
/* return next consecutive number
tablenName - Name of the table for which the number to be generated
serialFiel - Name of the field for which the number to be generated
whereString - where condition to filter the records if composite key found,
it can be empty if there is no composite primary key.
startNumber - if there is no record exists in the table, set the starting number
public String getCurrentSerial(String tableName,String serialField,String whereString,String startNumber)
String queryString = "select max(to_number("+serialField+")) from "+tableName+" "+whereString;
int maxSerial=0;
try
psmt = con.prepareStatement(queryString);
rs = psmt.executeQuery();
while (rs.next())
maxSerial = rs.getInt(1);
if (maxSerial < 0)
maxSerial=Integer.parseInt(startNumber);
else
maxSerial+=1;
rs.close();
catch(Exception e)
return String.valueOf(maxSerial);
/* return next consecutive number
tablenName - Name of the table for which the number to be generated
serialFiel - Name of the field for which the number to be generated
whereString - where condition to filter the records if composite key found,
it can be empty if there is no composite primary key.
Note : if there is no record exists in the table, it starts with 1
public String getCurrentSerial(String tableName,String serialField,String whereString)
String queryString = "select max(to_number("+serialField+")) from "+tableName+" "+whereString;
int maxSerial=0;
try
stmt = con.createStatement();
rs = stmt.executeQuery(queryString);
while (rs.next())
maxSerial = rs.getInt(1);
if (maxSerial < 0)
maxSerial=1;
else
maxSerial+=1;
rs.close();
catch(Exception e)
System.out.println("Error from max serialX:"+e.getMessage());
return String.valueOf(maxSerial);
/* return the currnent user name */
public String getCurrentUser()
Statement stmt=null;
ResultSet rs=null;
String queryString = "select user from dual";
String userName = "";
try
stmt = con.createStatement();
rs = stmt.executeQuery(queryString);
while (rs.next())
userName = rs.getString(1);
rs.close();
catch(Exception e)
return userName;
/* return current user along with server's current date
example : userName#today
public String getCurrentUserDate()
Statement stmt=null;
ResultSet rs=null;
String queryString = "select user,to_char(sysdate,'dd-mon-yyyy') from dual";
String userName = "";
String todayDate= "";
try
stmt = con.createStatement();
rs = stmt.executeQuery(queryString);
while (rs.next())
userName = rs.getString(1);
todayDate = rs.getString(2);
rs.close();
catch(Exception e)
return userName+"#"+todayDate;
/* return server's current date */
public String getCurrentDate()
Statement stmt=null;
ResultSet rs=null;
String queryString = "select to_char(sysdate,'dd-mon-yyyy') from dual";
String todayDate= "";
try
stmt = con.createStatement();
rs = stmt.executeQuery(queryString);
while (rs.next())
todayDate = rs.getString(1);
rs.close();
catch(Exception e)
return todayDate;
/* return true if atleast one record found in the table
tblName : Name of the table
whereString : Where condition to filter the records
public boolean isRecordExists(String tblName,String whereString)
String queryString = "select count(1) from "+tblName+" "+whereString;
boolean recFound = false;
try
stmt = con.createStatement();
rs = stmt.executeQuery(queryString);
while (rs.next())
if (rs.getInt(1)==0)
recFound = false;
else
recFound = true;
rs.close();
catch(Exception e)
return recFound;
// round off decimal Places
public String fixDecimal(String sourceString,int digits)
String tmpText="",decimalPart="",returnText="";
try
sourceString = String.valueOf(Double.parseDouble(sourceString));
tmpText = sourceString.substring(sourceString.indexOf(".")+1);
if (tmpText.length() > digits)
decimalPart = tmpText.substring(0,digits);
if (Integer.parseInt(tmpText.substring(digits,digits+1))>=5)
decimalPart = String.valueOf(Integer.parseInt(decimalPart)+1);
tmpText = decimalPart;
if (decimalPart.length() > 3) // to check wheter 1000 reached, if yes add 1 to actual text
returnText = String.valueOf(Integer.parseInt(sourceString.substring(0,sourceString.indexOf(".")))+1);
else
returnText = sourceString.substring(0,sourceString.indexOf("."))+"."+tmpText;
else // if user entered decimal is with in 3 digits
if (tmpText.equals("0"))
returnText = sourceString.substring(0,sourceString.indexOf("."));
else
returnText = sourceString.substring(0,sourceString.indexOf("."))+"."+tmpText;
catch(Exception e)
System.out.println(e.getMessage());
return sourceString;
System.out.println(returnText);
return returnText;
} // end of main class
Access this Bean in JSP as follows:
<%@ page language="java" %>
<%@ page import="java.util.*"%>
<%@ include file="../connectionSetup.jsp"%>
<jsp:useBean id="dataBeanObj" class="id.dataBean"/>
<html>
<head>
<title>ADDRESS MASTER FORM</title>
<style type="text/css">
.tData
font-family : sans-serif;
font-size : 9px;
font-weight : bolder;
color : navy;
.buttonStyle
font-family : sans-serif;
font-size :10px;
</style>
</head>
<%
dataBeanObj.setConnection(con);
String curCode="";
String consFld = request.getParameter("consfld")==null?"":request.getParameter("consfld");
String cat = request.getParameter("cat")==null?"a":request.getParameter("cat").equals("a")?"a":"u";
boolean updateFlag=false,isWrongCountry=false;
String code="";
String name="";
String add1="";
String add2="";
String add3="";
String state="";
String country="";
String zip="";
String am_pcouncode="";
String am_pareacode="";
String am_psubcode="";
String am_fcouncode="";
String am_fareacode="";
String am_fsubcode="";
String am_phone="";
String am_fax="";
String email="";
String notes="";
String telex="";
String mobile="";
String popup="";
code = request.getParameter("code")==null?"":request.getParameter("code");
name = request.getParameter("name")==null?"":request.getParameter("name");
popup = request.getParameter("popup")==null?"":request.getParameter("popup");
String submitMode = request.getParameter("submit_mode")==null?"":request.getParameter("submit_mode");
String editMode = request.getParameter("edit_hidden")==null?"null":request.getParameter("edit_hidden");
if (name != null && !submitMode.equals("yes")) // ready to retrieve records
if (!code.equals(""))
rs = dataBeanObj.getResultSet("select am_code code,am_name name,am_address_1 add1,am_address_2 add2,am_address_3 add3,am_country country,am_state state,am_zip zip,am_phone phone,am_fax fax,am_e_mail email,am_notes notes,am_telex telex,am_mobile mobile from id_vms_address_master where am_code='"+code+"'");
else
rs = dataBeanObj.getResultSet("select am_code code,am_name name,am_address_1 add1,am_address_2 add2,am_address_3 add3,am_country country,am_state state,am_zip zip,am_phone phone,am_fax fax,am_e_mail email,am_notes notes,am_telex telex,am_mobile mobile from id_vms_address_master where upper(am_name)='"+name.toUpperCase()+"'");
if (rs.next()) // if record found
code = rs.getString("code"); // retrieve code
name = rs.getString("name"); // retrieve name
add1 = rs.getString("add1"); // retrieve address 1
add2 = rs.getString("add2"); // retrieve address 2
add3 = rs.getString("add3"); // retrieve address 3
country = rs.getString("country"); // retrieve country
state = rs.getString("state"); // retrieve state
zip = rs.getString("zip"); // retrieve zip
am_phone = rs.getString("phone"); // retrieve phone
am_fax = rs.getString("fax"); // retrieve fax
email = rs.getString("email"); // retrieve email
notes = rs.getString("notes"); // retrieve notes
telex = rs.getString("telex"); // retrieve telex number
mobile = rs.getString("mobile"); // retrieve mobile number
else if (submitMode.equals("yes")) // ready to submit
code = request.getParameter("code"); // get the input code
name = request.getParameter("name"); // get the input name
add1 = request.getParameter("address1"); // get the input address 1
add2 = request.getParameter("address2"); // get the input address 2
add3 = request.getParameter("address3"); // get the input address 3
country = request.getParameter("country"); // get the input country
state = request.getParameter("state"); // get the input state
zip = request.getParameter("zip"); // get the input zip
am_pcouncode = request.getParameter("pcouncode"); // get the input phone country code
am_pareacode = request.getParameter("pareacode"); // get the input phone area code
am_psubcode = request.getParameter("psubscode"); // get the input phone subscriber code
am_fcouncode = request.getParameter("fcouncode"); // get the input fax country code
am_fareacode = request.getParameter("fareacode"); // get the input fax area code
am_fsubcode = request.getParameter("fsubscode"); // get the input fax subscriber code
am_phone = am_pcouncode+"-"+am_pareacode+"-"+am_psubcode;
am_fax = am_fcouncode+"-"+am_fareacode+"-"+am_fsubcode;
telex = request.getParameter("telex"); // get the input telex
mobile = request.getParameter("mobile"); // get the input mobile
email = request.getParameter("email"); // get the input email
notes = request.getParameter("notes"); // get the input notes
String colType[] = {"S","S","S","S","S","S","S","S","S","S","S","S","S","S"};
Vector vec = new Vector();
if (cat.equals("u"))
vec.addElement("am_code"); vec.addElement(code); // add code to vector element
else
curCode = dataBeanObj.getCurrentSerial("id_vms_address_master","am_code","");
vec.addElement("am_code"); vec.addElement(curCode); // Next Serial Generation
vec.addElement("am_name"); vec.addElement(name); // add name to vector element
vec.addElement("am_address_1"); vec.addElement(add1); // add address 1 to vector element
vec.addElement("am_address_2"); vec.addElement(add2); // add address 2 to vector element
vec.addElement("am_address_3"); vec.addElement(add3); // add address 3 to vector element
vec.addElement("am_country"); vec.addElement(country); // add country to vector element
vec.addElement("am_state"); vec.addElement(state); // add state to vector element
vec.addElement("am_zip"); vec.addElement(zip); // add zip to vector element
vec.addElement("am_phone"); vec.addElement(am_phone); // add phone to vector element
vec.addElement("am_fax"); vec.addElement(am_fax); // add fax to vector element
vec.addElement("am_e_mail"); vec.addElement(email); // add email to vector element
vec.addElement("am_notes"); vec.addElement(notes); // add notes to vector element
vec.addElement("am_telex"); vec.addElement(telex); // add telex to vector element
vec.addElement("am_mobile"); vec.addElement(mobile); // add mobile to vector element
if (dataBeanObj.isRecordExists("id_country_master"," where country_code='"+country+"'"))
if (cat.equals("u"))
// update the records
updateFlag = dataBeanObj.updateRecord("id_vms_address_master",vec,colType,"where am_code='"+code+"'");
else
// insert record
updateFlag = dataBeanObj.insertRecordPart("id_vms_address_master",vec,colType);
else
isWrongCountry=true;
%>
The connectionSetup.jsp is as follows:
<%@ page import="java.sql.*" %>
<%@ page import="javax.sql.*" %>
<%@ page import="javax.naming.*" %>
<%@ page import="allaire.taglib.*" %>
<%
Connection con=null;
PreparedStatement ps = null;
Statement stmt=null;
ResultSet rs=null;
try
String jrunDSN = null, lookupDSN = null;
jrunDSN = request.getParameter("dsnvalue") == null ? "vms_test" : request.getParameter("dsnvalue");
lookupDSN = "java:comp/env/jdbc/" + jrunDSN;
InitialContext ctx = new InitialContext();
DataSource dsn = (DataSource)ctx.lookup(lookupDSN);
try
if (application.getAttribute("connectionapplication") == null)
con = dsn.getConnection();
application.setAttribute("connectionapplication",con);
else
con = (Connection) application.getAttribute("connectionapplication");
stmt = con.createStatement();
catch(Exception e)
con = dsn.getConnection();
application.setAttribute("connectionapplication",con);
catch(Exception e)
out.println("<font face='arial' size='2'><center>Problem with database connection. Please contact your administrator</center></font>");
%>
In Connection setup.jsp u can change as u need.
This is thru JNDI. This works fine for us in our projects.
Bye. -
Hello all,
I have a table that contains more than 100 000 records, structure seen below. I am trying to perform simple queries on this table and it is taking FOREVER for the query to return (in excess of 10 minutes). The only field that contains unique data is the 'key', which I have made the primary key.
Table: WORK
Name Null? Type
ASSIGNMENT_NO NOT NULL NUMBER(2)
START_DATE NOT NULL DATE
END_DATE DATE
ID_NO NOT NULL NUMBER(9)
CODE NOT NULL VARCHAR2(4)
REF_KEY NOT NULL NUMBER(9)
STATUS NOT NULL VARCHAR2(1)
ID_NAME NOT NULL VARCHAR2(30)
LAST_MODIFIED_DATE NOT NULL DATE
KEY NOT NULL NUMBER(9)
As I need to pass into the query varying data I Use a PL/SQL function to call the SQL query.
CREATE OR REPLACE FUNCTION THE_SAMPLE (THE_REF_KEY, THE_ID_NO, PUT_A_DATE_HERE)
RETURN VARCHAR2 IS
CURSOR C IS
SELECT w1.code
FROM work w1
WHERE w1.ref_key = THE_REF_KEY
AND w1.ID_NO = THE_ID_NO
AND w1.status <> 'I'
AND w1.start_date <= PUT_A_DATE_HERE
AND (w1.end_date IS NULL or w1.end_date >= PUT_A_DATE_HERE)
AND w1.start_date = (SELECT MAX(W2.start_date)
FROM work w2
WHERE w2.REF_KEY = W1.REF_KEY
AND w2.ID_NO = W1.ID_NO
AND w2.status <> 'I'
AND w2.start_date <= PUT_A_DATE_HERE
AND (w2.end_date IS NULL or w2.end_date >= PUT_A_DATE_HERE));
out_rec c%ROWTYPE;
begin
begin
open C;
fetch c into out_rec;
CLOSE C;
EXCEPTION
WHEN no_data_found THEN
out_rec.code := NULL;
END;
return out_rec.code;
end THE_SAMPLE;
I am looking for a quick way to accomplish the same task. The main reason is that I am feeding this SQL statement about 20 000 different ref_keys each with a particular ID_NO. Since it seems to take a long time just to process one element I did want crunch data for the next month.
Any help, idea, comments would be greatly welcomed.
Any ideas on how to stream line this?Hummm... I am still working on it, but this is what I have come up with so far:
One way is to do this use this
CURSOR C IS
SELECT w1.code
FROM work w1, (SELECT MAX(w2.start_date) as MAX_DATE
FROM work w2
WHERE w2.ref_key = THE_REF_KEY
AND w2.ID_NO = THE_ID_NO
and w2.status <> 'I'
AND w2.start_date <= PUT_A_DATE_HERE
AND (w2.end_date IS NULL or w2.end_date >= PUT_A_DATE_HERE)) GET_MAX
WHERE w1.ref_key = THE_REF_KEY
AND w1.ID_NO = THE_ID_NO
and w1.status <> 'I'
AND w1.start_date <= PUT_A_DATE_HERE
AND (w1.end_date IS NULL or w1.end_date >= PUT_A_DATE_HERE)
AND w1.start_date = GET_MAX.MAX_DATE;
This way does seem to work a bit faster. I will have to see as the hours pass by.
I am still looking for ways that will process this faster.
null -
Export to Excel from Report region (pl/sql returning sql query)
Hello all,
I have encountered an interesting problem. I have an HTMLDB application with a lot of sql reports coded straight inside the report region. In order to better organize my reports, I decided to
1. make all my report regions of type "Pl/Sql function returning SQL query"
2. create a package inside my database schema which houses all reports as pl/sql functions returning VARCHAR2, the string returned being the report query
3. just calling "return package_name.function_name" from inside my report region of type "Pl/sql function returning SQL query".
This technique seemed to work perfectly. The reports were being returned as expected. I was then asked to provide the "Export to Excel" capability to all my reports. This seemed like a piece of cake using HTML DB's "Export to Excel" extension. However, the "export to excel" does not function correctly when my reports are inside a package in the database. HTML DB tries to export but inside the excel spreadsheet, instead of seeing row data, I see:
<pre>failed to parse SQL query:
ORA-00936: missing expression
<!-- select a.username, b.table_name, 'View Row Data' from schema_browser_user_list a, all_tables b where a.user_id = and a.username = b.owner order by b.table_name asc
--!>
</pre>
I am building my query string inside of my package functions by using a combination of literal strings and concatenating them with some parameter values being passed in. It seems that the HTML DB engine which exports the report to excel does not properly understand the concatenation of variables as can be seen by the empty space to the right of the equal sign in the "a.user_id = " clause. Does anybody have any input as to whether this is a known issue or if I am doing something wrong? Thanks a lot for your time.
- Kenny R.James,
Thanks for the quick reply. I think you mis-understood what I'm doing. All I'm doing is creating packaged functions which return VARCHAR2. The VARCHAR2 that they return is the report query. With this technique, I no longer have to type the query into the HTML DB report region. Instead, I make the report region a "Pl/sql function returning sql query" and make the following call: return package_name.function_name(some_application_items passed in as parameters)
This makes for a much more organized html db app. The problem is that the "export to excel" function does not correctly interpret the VARCHAR2 that my packaged functions are returning. Is this a better explanation? Thanks again for your time.
- Kenny R. -
Error in report when executing pl/sql function body returning sql query.
Hi,
I have used the pl/sql function body returning sql query for creating a report. I have created a datepicker(
P10_TASK_DATE) which can be submitted.The code is as below
DECLARE
v_sql varchar2(3000);
BEGIN
if :P10_TASK_DATE is not null THEN
v_sql:='select
* from tasks';
return v_sql;
else
v_sql:='select * from discovery';
return v_sql;
END IF;
END;if the date field is empty "select * from discovery" is executed and report is getting generated. But when we give a
date using date picker the page is submitted and i get "report error: ORA-01403: no data found" even
though the "tasks" table has data in it. Plz help
Thanks,
TJhi
Please try this
1. Create 2 region
1st region source=
select * from tasks'
go to the tab -> condition =
item NOT NULL
EXpression1 =:P10_TASK_DATE
this will run whenever the item have any date
2. open your 2 nd region source code= select * from discovery
put the condition
item is NULL
EXpression1 =:P10_TASK_DATE
thanks
Mark Wyatt -
Build a sql query fro different table and insert into a table
Hi I have a requirement ,
i have some table 1 table which holds rules which rules i have to apply on the sql query
2 table will hold table name and column name and transformation
with these help of 2 tables i want to build a sql quey and the sql query need to be insert into another table.Hi Karthick,
I am not going to build Dynamic Data Model.
i already have table 1 contains rules let's say COUNT,
and another table contain source table name , column name , Target table name, Source Table name like that
so with the help of these 2 tables i want to build Sql query and going to insert into 3rd table. -
SQL query to fetch records from 26 onwards
Want to know SQL query to fetch records from 26 onwards.
See the fifth entry on the FAQ page:
Re: How to attach a java bean in forms6i
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