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11.05.2007 at 10:48AM PST, ID: 22939851

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6.6

create a stored procedure in oracle sql plus

Zones: Oracle Database, PL / SQL

Tags: oracle, procedure, stored, sql, create

I know sqlserver but I am new to oracle
1) I would like to know how to create a simple stored procedure which brings all the values from a table.
2)To alter the first procedure and to accept a parameter and filter my query based on the parameter.

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Question Stats

Zone: Database

Question Asked By: PradeepYadhav

Solution Provided By: DiscoNova

Participating Experts: 5

Solution Grade: A

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11.05.2007 at 10:49AM PST, ID: 20218327

PradeepYadhav:

3) how to execute the stored procedure.

11.05.2007 at 11:17AM PST, ID: 20218575

PradeepYadhav:

1)

Create Procedure test
as
begin
select fieldname from tablename;
end test;

Is this correct syntax ?

11.05.2007 at 11:30AM PST, ID: 20218706

Rank: Guru

jwahl:

1)

in pl/sql you have to select into variables:

create procedure test
as
v_fieldname VARCHAR2(200);
begin
select fieldname
INTO v_fieldname
from tablename;
end test;
/

of course this only works if your select returns only one row (otherwise you will raise an TOO_MANY_ROWS exception).
additionally you have to implement an output to display the result, e.g.

DBMS_OUTPUT.PUT_LINE(v_fieldname);

to return all the values from a table with a stored procedure, you have to do more than a simple select.
use a cursor inside the pl/sql block.

2)
if you want to pass parameters to the stored procedure, you can only use them with ref cursors or dynamic sql.

3)
stored procedures are simply executed with

SQL> EXEC test;

or inside a pl/sql block:

BEGIN
test;
END;
/

11.05.2007 at 12:00PM PST, ID: 20219004

Rank: Master

sventhan:

May be useful...

http://infolab.stanford.edu/~ullman/fcdb/oracle/or-plsql.html

11.05.2007 at 03:16PM PST, ID: 20220383

PradeepYadhav:

I am an absolute beginer, I would like an example for all the three cases which would work or any urls which gives me examples would be much appreciated.

11.06.2007 at 03:26AM PST, ID: 20222884

PradeepYadhav:

I have created a package now as shown below. How to execute this package which has an ouput param.

CREATE OR REPLACE PACKAGE GroupsPackage
AS
TYPE CURSOR_TYPE IS REF CURSOR;
PROCEDURE usp_SelectGroups (results_cursor OUT CURSOR_TYPE);
END;
/
CREATE OR REPLACE PACKAGE BODY GroupsPackage
AS
PROCEDURE usp_SelectGroups (results_cursor OUT CURSOR_TYPE)
AS
BEGIN
OPEN results_cursor FOR
SELECT GroupID, GroupName, GroupDescription, LastUpdateDate
FROM Groups
ORDER BY GroupName;
END;
END;
/

11.06.2007 at 11:03PM PST, ID: 20230241

bhagya69:

hello

at sql prompt say

@package_name.procedure_name

ie

@GroupsPackage .usp_SelectGroups

bhagya

11.08.2007 at 01:07PM PST, ID: 20245210

DiscoNova:

@bhagya69: Wouldn't that only work for sql-scripts?

@PradeepYadhav: the example package you provided will be executed like this:

declare
ct cursor_type;
begin
GroupsPackage.usp_SelectGroups(ct);
end;
/

...however, it must be pointed out that this still does nothing with the results (that will be contained in the variable called "ct" in my example)... all your procedure does at the moment is open a cursor; it doesn't even fetch the data.

11.08.2007 at 01:18PM PST, ID: 20245311

DiscoNova:

I'm just guessing, but perhaps you're trying to do something not entirely unlike this:

create or replace package groupspackage as
procedure usp_selectgroups;
end;
/

create or replace package groupspackage as
procedure usp_selectgroups is
cursor myquery is
SELECT GroupID, GroupName, GroupDescription, LastUpdateDate
FROM Groups
ORDER BY GroupName;

begin
for result in myquery loop
dbms_output.put_line('GroupID='||result.GroupID);
dbms_output.put_line('GroupName='||result.GroupName);
dbms_output.put_line('GroupDescription='||result.GroupDescription);
dbms_output.put_line('LastUpdateDate='||to_char(result.LastUpdateDate, 'DD.MM.YYYY'));
dbms_output.put_line('-----');
end loop;
dbms_output.put_line('DONE!');
end;
end;
/

...and this would be executed like this:

exec groupspackage.usp_selectgroups;

...note: I didn't test this actually - hopefully there are no typos.

11.08.2007 at 01:19PM PST, ID: 20245320

DiscoNova:

ok... of course there was a typo... I meant it this way:

create or replace package groupspackage as
procedure usp_selectgroups;
end;
/

create or replace package body groupspackage as
procedure usp_selectgroups is
cursor myquery is
SELECT GroupID, GroupName, GroupDescription, LastUpdateDate
FROM Groups
ORDER BY GroupName;

begin
for result in myquery loop
dbms_output.put_line('GroupID='||result.GroupID);
dbms_output.put_line('GroupName='||result.GroupName);
dbms_output.put_line('GroupDescription='||result.GroupDescription);
dbms_output.put_line('LastUpdateDate='||to_char(result.LastUpdateDate, 'DD.MM.YYYY'));
dbms_output.put_line('-----');
end loop;
dbms_output.put_line('DONE!');
end;
end;
/

Accepted Solution

02.11.2008 at 11:13AM PST, ID: 20869183

JimBrandley:

No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I will leave the following recommendation for this question in the Cleanup topic area:
Accept: DiscoNova {http:#20245320}

Any objections should be posted here in the next 4 days. After that time, the question will be closed.

Jim Brandley
EE Cleanup Volunteer

Computer101

02.16.2008 at 08:20AM PST, ID: 20910332

Forced accept.

Computer101
Community Support Moderator

20080236-EE-VQP-29 / EE_QW_2_20070628