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Common Errors Series

Thanks to Hemant Chitale for this story

I will be publishing some "Common Errors" by DBAs and Developers. These errors occur in the course of performance tuning or database or instance configuration or in understanding oracle concepts.

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The first of these is about using a count(*) or a count(1) as a wrapper around a user's query when attempting performance tuning.

The second of these is about specifying NOLOGGING as a Hint when executing DML.

The third of these is about NOLOGGING and Indexes.

The fourth is about ARRAYSIZE.
The fifth is about Not reviewing the alert.log and trace files.

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Read the entire article at its source

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