Monday, September 22, 2014

Issues with Bind Variables and Bind Peeking

I would explain bellow that how bind peeking played a disastrous role in one of my databases. For usage of bind variables, a good post by Arup Nanda is available here

From one of my OLTP databases (, suddenly I started receiving OEM alerts for “run queue length” as follows. (My server has total 24 CPUs)

Tuesday, September 9, 2014

Privilege Analysis

In Oracle 12c, we can do an analysis of privileges used by the users. This analysis can actually help to know if there are some privileges granted to some user which were never used by that user and hence can be revoked. This can be even more useful in a situation where DBA realizes that someone (probably previous DBA) has granted a lot of privileges to some users which are

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