Re: Transaction Isolation levels in Oracle!

its explained in detail in the concepts document. I cant remember myself. Every time I read it, I forget.

otn.oracle.com just do a search of the documentation for Isolation level then look in the concepts doc. There are 3 levels I believe.
>
> From: Murali Menon <mjgnmenon_at_yahoo.com>
> Date: 2003/05/27 Tue AM 10:44:54 EDT
> To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> Subject: Transaction Isolation levels in Oracle!
>
> Most databases today provide various levels of transaction isolation. READ WRITE, READ ONLY etc and based on the application requirements one or the other is used.
>
> for example, in Oracle Rdb, (the other database from Oracle), we could start a transaction with READ ONLY and the Rdb engine would avoid creation of before and after images etc.
>
> What are the various types of isolation levels in Oracle? I have read about isolation level called READ COMMITTED, is this same as READ ONLY?
>
>
> Regards,
>
> Menon
>
>
>
>
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