Oracle-L: Transaction Isolation levels in Oracle!

From: Murali Menon <mjgnmenon_at_yahoo.com>
Date: Tue, 27 May 2003 06:44:53 -0800
Message-ID: <F001.005A3372.20030527064453@fatcity.com>

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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Author: Murali Menon
INET: mjgnmenon_at_yahoo.com

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