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Re: how synchronous is Oracle?

From: Tanel Poder <tanel_at_@peldik.com>
Date: Thu, 6 Mar 2003 21:36:33 +0200
Message-ID: <3e67a2ae$1_2@news.estpak.ee> 





Hi,



> Uwe,

> You DO NOT know what you are talking about.

> 1. Oracle DOES NOT ever lock tables.  Applications can lock tables for

> update but Oracle DOES NOT EVER escallate locks to the block or table

> level.  So, no matter how much data txt a inserts, updates, or deletes,

> txn b will NOT wait for txn a to commit or rollback.




Never say never.


If you have parameter ROW_LOCKING set to INTENT, table level locks *are*
aquired during an UPDATE operation.



Cheers,


Tanel.
Received on Thu Mar 06 2003 - 13:36:33 CST












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