RE: Analyze table and locking

At 8:10 -0800 30/5/01, Riyaj_Shamsudeen_at_i2.com wrote:
>In earlier versions (7.3 ?) 'analyze ..compute' used to take table
>level locks. From 8 onwards, compute or estimate does not take any
>table level or row level locks at all...

Sorry, not true. From at least 7.2.3 (the oldest I have here) there was no table-level locking for any analyze statement.

As for the preferment for estimate, Oracle has the last laugh - if you estimate on a percentage greater than 50% or specify rows greater than half the number of rows in the table, Oracle analyzes the entire table.

Regards

Paul Miller

-- 
-
Carib Data Limited

<mailto:millerp_at_caribdata.co.uk>
<http://www.caribdata.co.uk>
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: PD Miller
  INET: millerp_at_caribdata.co.uk

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).