Question

Oracle SQL - Call a stored procedure with a cursor out parameter

Asked by: superthumper

I have a stored procedure I'm using to return a recordset with a cursor as an out parameter  to return a recordset.  I'm seeing some strange data when I bring the data into Crystal Reports.   In the SQL server world, I'd just go directly to Management Studio, open a 'new query' and execute the procedure... but in SQL server I don't need to use a cursor to return a recordset, I just 'DO' the select.  How see the results in 'Oracle SQL Developer' the same way I would in sql server management studio (or the old 'query analyzer') ???

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Asked On
2007-10-05 at 08:38:21ID22875039
Tags

procedure

,

oracle

,

out

,

cursor

,

stored

Topics

PL / SQL

,

Oracle Database

,

Oracle 10.x

Participating Experts
4
Points
250
Comments
7

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Answers

 

by: mlmccPosted on 2007-10-05 at 08:47:32ID: 20022841

Oracle requires a ref cursor as the first parameter returned to the report.

This article is a little old but it is still valid
http://support.businessobjects.com/library/kbase/articles/c2001157.asp

mlmcc

 

by: mlmccPosted on 2007-10-05 at 08:50:00ID: 20022858

 

by: sventhanPosted on 2007-10-05 at 08:56:32ID: 20022925

 

by: superthumperPosted on 2007-10-05 at 11:38:12ID: 20024436

Does it really have to be that much more complicated with Oracle than SQL Server?  I just want to see if my procedure works and returns sensical data.

 

by: markgeerPosted on 2007-10-05 at 12:00:29ID: 20024624

Oracle PL\SQL stored procedures by default *DO NOT* return record sets!

I have learned that people with SQL Server experience expect this functionality, but Oracle historically did not provide this via PL\SQL.  That may be because the standard Oracle client tools (Oracle Forms and Oracle Reports) built their own record sets internally - they did not depend on PL\SQL for this.  In recent versions of Oracle, as Oracle has tried to make their database and software get along better with non-Oracle software, support for "ref cursors", arrays, collections. etc has been added to PL\SQL.  But getting a "record set" out of a stored procedure may still be an easier task in SQL Server than in Oracle.  Now, getting a stored procedure to perform efficiently and scale well to large numbers of users may be a much easier task in Oracle than in SQL Server.

Both systems have things they do very well, but be aware that they are very different systems, and their strengths and weaknesses are different.

 

by: mmoorePosted on 2007-10-08 at 08:57:04ID: 20034940

If you are just wanting to run a procedure which returns a ref cursor and you want to see the content of that ref cursor, you can do that in SQLPlus.  Here is how ...

http://download.oracle.com/docs/cd/B14117_01/server.101/b12170/ch6.htm#i1211948

once there, go to
Example 6-15 Using REFCURSOR Variables in Stored Procedures

 

by: sventhanPosted on 2007-10-08 at 09:05:17ID: 20034990

if you have Toad that would even easier to see the ref_cursor results.

20120131-EE-VQP-002

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