When to use "CALL" to invoke a stored procedure?

I am kind of confused on how to invoke a stored procedure.
I have a stored procedure, let's say, "X" in package "P".
I am not sure when I should use "BEGIN CALL X.P(args); END;" or when I should just call "BEGIN X.P(args); END;".
Sometimes the first one works, sometimes the second one does. What am I getting wrong? When should I use "CALL" and when I should not?

Well, did you try it? And coule of hints:
SQL> create or replace procedure p1 is begin null; end;
2 /
Procedure created.
SQL> begin call p1; end;
2 /
begin call p1; end;
ERROR at line 1:
ORA-06550: line 1, column 12:
PLS-00103: Encountered the symbol "P1" when expecting one of the following:
:= . ( @ % ;
The symbol ":=" was substituted for "P1" to continue.
SQL> begin p1; end;
2 /
PL/SQL procedure successfully completed.
SQL> call p1;
call p1
ERROR at line 1:
ORA-06576: not a valid function or procedure name
SQL> call p1();
Call completed.
SQL> SY.
P.S. Last hint - CALL is SQL, not PL/SQL statement.

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qing_shan61 wrote:
When I use Call Library Function Node in real time, is the DLL loaded once for all or load every time when it is called?
Once
qing_shan61 wrote:
I have a time critical real time application, in which I use a piece of DLL function developed by C++. It is OK?
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Only Restarting the Weblogic Server will invoke the Stored Procedure???

Hi,
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How to use OUT variables in my stored procedure

I'm wondering if I can get some help using OUT variables in my stored procedure. Here's my code...
CREATE OR REPLACE PROCEDURE testProj.testProcedure (
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     v_student_id OUT VARCHAR2,
     v_current_code OUT NUMBER,
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) AS
BEGIN
     SELECT
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     INNER JOIN testProj.new_codes nc ON s.student_id = nc.student_id
     WHERE s.segment_id = v_segment_id ;
END testProcedure ;
EXECUTE testProj.testProcedure ('44') ;
When I execute that stored procedure with the above execute statement, I get this error:
Error report:
ORA-06550: line 1, column 7:
PLS-00306: wrong number or types of arguments in call to 'testProcedure'
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+06550. 00000 - "line %s, column %s:\n%s"+
*Cause:    Usually a PL/SQL compilation error.+
*Action:+

Using Refcursor is one way you can do that ->
satyaki>
satyaki>select * from v$version;
BANNER
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Prod
PL/SQL Release 10.2.0.3.0 - Production
CORE    10.2.0.3.0      Production
TNS for 32-bit Windows: Version 10.2.0.3.0 - Production
NLSRTL Version 10.2.0.3.0 - Production
Elapsed: 00:00:00.21
satyaki>
satyaki>
satyaki>create or replace procedure r_arg(
2                                      choice in number,
3                                      b in out sys_refcursor
4                                   )
5 is
6    str   varchar2(500);
7 begin
8     str := 'select * from emp';
9     open b for str;
10 exception
11    when others then
12      dbms_output.put_line(sqlerrm);
13 end;
14 /
Procedure created.
Elapsed: 00:00:01.84
satyaki>
satyaki>
satyaki>declare
2    rec_x emp%rowtype;
3    w sys_refcursor;
4 begin
5    dbms_output.enable(1000000);
6    r_arg(1,w);
7    loop
8      fetch w into rec_x;
9        exit when w%notfound;
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12                             'Job: '||rec_x.job||' - '||
13                             'Manager: '||rec_x.mgr||' - '||
14                             'Joining Date: '||rec_x.hiredate||' - '||
15                             'Salary: '||rec_x.sal||' - '||
16                             'Commission: '||rec_x.comm||' - '||
17                             'Department No: '||rec_x.deptno);
18     end loop;
19     close w;
20 exception
21    when others then
22       dbms_output.put_line(sqlerrm);
23 end;
24 /
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Elapsed: 00:00:00.48
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satyaki>Regards.
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Invoking ORACLE Stored Procedure

Hello guys,
I have an ORACLE stored procedure which I need to invoke. I'm currently unable to invoke the stored procedure since I'm always getting the same error:
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Hi,
Is the structure in Oracle side is of the following format?
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<param1 [isInput=u201Dtrueu201D] [isOutput=true] type=SQLDatatype>val1</param1>
</storedProcedureName >
</StatementName>
Can you paste the structure here?
Regards
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Hi,
I am trying to invoke a stored procedure thru java jdbc. The SP works if I execute it directly.
declare P_RECORDSET1 SYS_REFCURSOR := null;
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USER1.USER_DELEGATE_PKG.GET_ACCOUNTS (P_RECORDSET1,'APP',74908,null,'Y',null);
end;
In the java code, I do the following
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Alright, now I am able to atleast invoke the SP, but getting the error
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hi,
thank you for the response.
when i call the sp using DBMS_HS_PASSTHROUGH, without parameters it works successfully, but with parameters it gives the following error
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c INTEGER;
nr INTEGER;
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DBMS_HS_PASSTHROUGH.BIND_VARIABLE@hsa(c,2,'xyz');
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Urgent : while calling a pl/sql stored procedure I am getting this error.

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This has happened to me when I do not have the proper grants and/or synonyms set up. My JDev/J2EE connection user does not own the database objects so I need to grant access to the database object owner's database account and create synonyms available to the connection user's database account. If you are using the same database account in your JDev/J2EE connection object as you are using to run the stored proc in SQL*Plus, this is not your problem.
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http://www.psoug.org/reference/dbms_scheduler.html
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Any pointers would be appreciated.
John Thompson
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play.com
Edited by: user7186902 on 27-May-2009 03:51

Hello (and welcome),
It may be a case of having to create a linguistic index to facilitate the queries once you set these session level parameters, i.e..,
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When to use "CALL" to invoke a stored procedure?

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