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Re: Inserting records into a table without creating indexes

From: Don Granaman <granaman_at_home.com>
Date: Tue, 11 Sep 2001 09:13:30 -0700
Message-ID: <F001.00389D58.20010911075531@fatcity.com>

No. There is no provision for "deferred index creation" in Oracle. Having faced similar issues with large, hot OKTP systems, I can sympathize. Be very picky about what indexes are allowed on tables with high insert rates. Careful segregation of the affected segments between disks.can help also.

-Don Granaman
[certifiable OraSaurus]

> List,
>
> Environment: Solaris 7 : Oracle 817 : OLTP system with stringent throughput
> requirements
>
> A transaction inserts a record into 4 tables. After successful insert into
> all the four tables, the transaction issues a commit. Many alternate index
> keys (AK's) are defined on each table. Expected number of transactions : 300
> - 400 transactions per second.
>
> Requirement:
>
> While insert is taking place on the tables, I do not want to create indexes.
> Immediately After the transaction is committed, I want to create indexes for
> the inserted record. I do not want disable the indexes during the
> transaction processing.
>
> Is the above requirement feasible? Or am I on a wrong path? Please advise.
>
> Thanks,
>
> Rao
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Rao, Maheswara
> INET: Maheswara.Rao_at_Sungardp3.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Don Granaman
  INET: granaman_at_home.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
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Received on Tue Sep 11 2001 - 11:13:30 CDT

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