Getting resultset from stored procedures..

Question

hi all,
i have got some very fundamental doubts regarding Oracle Stored Procedures and calling it from java.. i want the resultset to be returned from sp and for that i used to following sp and java code.
package
====
CREATE OR REPLACE package
curs_types as
type EmpCurType is REF CURSOR RETURN emp%ROWTYPE;
end curs_types;
procedure
======
procedure
single_cursor(curs1 IN OUT curs_types.EmpCurType)
AS
BEGIN
OPEN curs1 FOR SELECT * FROM emp;
END single_cursor;
java code for calling sp
=========
String sql = "{call single_cursor(?)}";
CallableStatement cstmt1 = con.prepareCall(sql);
cstmt1.registerOutParameter(1, OracleTypes.CURSOR);
cstmt1.execute();
rs = (ResultSet)cstmt1.getObject(1);
while(rs.next())
{  String empno=(String)rs.getString(1);
and it worked properly but the problem is i dont want all the fields from the table emp..i mean, if i change the query inside the sp from "select * from emp" to "select ename,empno from emp" then that sp is showing compilation errors.. is it possile to return a cursor from sp that contains specific fields ??
wat is the procedure to return a cursor that contain datas from multiple tables ???
can any1 help me with this ??? plz mail me on [email protected]
thanks in advance
raj.

Answer 1

>
and it worked properly but the problem is i dont want
all the fields from the table emp..i mean, if i
change the query inside the sp from "select * from
emp" to "select ename,empno from emp" then that sp is
showing compilation errors.. You have a cursor with specific fields, so you have to fill all of them in.
is it possile to return
a cursor from sp that contains specific fields ??
Yes. See your Oracle docs.
wat is the procedure to return a cursor that contain
datas from multiple tables ???Yes. Same as a select from multiple tables.