|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
> FOR x IN (SELECT * FROM all_objects)
> INSERT INTO t1
> (owner, object_name, subobject_name, object_id,
> data_object_id, object_type, created, last_ddl_time,
> timestamp, status, temporary, generated, secondary)
> (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;
> 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.
Frank van Bortel
Oracle For Fun posted by Daniel Morgan on Mon, 26 Jan 2004