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Re: delete statement performance

From: Karl R. <kreitsch_at_zdnetmail.com>
Date: Thu, 16 Dec 1999 00:00:42 -0800
Message-ID: <0a0133f8.8a1dc91a@usw-ex0101-003.remarq.com>


Hello!

We had tables with 30.000.000 rows ( Oracle 7.3.4) several constraints ans fk's but deleteing several rows using the correct index ws under 1 second. t could be that the secondary sql-statemnts fired by triggers and constraints us to much time. One time we deteceted an an invalid constraint which used the amount of time.

A table having only 2.000.000 rows should not be so problematic. But problematic is to use all these constraints and foreign key generated by a modeller and to control them!

Bye!

Received on Thu Dec 16 1999 - 02:00:42 CST

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