Re: Oracle For Fun

Giganews Newsgroups
Subject: Re: Oracle For Fun
Posted by:  Frank van Bortel (fvanbort…@netscape.net)
Date: Wed, 28 Jan 2004

Daniel Morgan wrote:

> At a class I taught this last weekend I brought up the fact that most
> PL/SQL programmers are still writing v7 code. I gave everyone there a
> challenge and thought I'd share it with the group for any of you looking
> for a challenge on which to sharpen your skills.
>
> CREATE TABLE t1 AS
> SELECT *
> FROM all_objects
> WHERE 1=0;
>
> CREATE OR REPLACE PROCEDURE test_proc IS
>
> BEGIN
>  FOR x IN (SELECT * FROM all_objects)
>  LOOP
>    INSERT INTO t1
>    (owner, object_name, subobject_name, object_id,
>    data_object_id, object_type, created, last_ddl_time,
>    timestamp, status, temporary, generated, secondary)
>    VALUES
>    (x.owner, x.object_name, x.subobject_name, x.object_id,
>    x.data_object_id, x.object_type, x.created,
>    x.last_ddl_time, x.timestamp, x.status, x.temporary,
>    x.generated, x.secondary);
>  END LOOP;
>  COMMIT;
> END test_proc;
> /
>
> set timing on
> exec test_proc;
> set timing off
>
> Everyone using 8i+ features should be able to improve the performance of
> this by at least 5X.
>
> I'll post a solution in a week or so.

<g> COuld you make that a regular? I'd like that.

--

Regards,
Frank van Bortel

Replies

In response to

Oracle For Fun posted by Daniel Morgan on Mon, 26 Jan 2004