Tracing a SQL statement, generating TKPROF of the trace and understanding it carefully are some key steps that you will have to do when faced with a tough to break performance issue. This post will describe the methodology of this process.
Tkprof is very useful for diagnosing performance issues. It essentially formats a trace file into a more readable format for performance analysis. The DBA can then identify and resolve performance issues such as poor SQL, indexing, and wait events.
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