What is SQL Tuning Health Check?

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The SQL Tuning Health Check is provided by Oracle (Doc ID 1366133.1) in order to check the environment where the problematic SQL query runs.
It checks the statistics, the metadata, initialization parameters and other elements that may influence the performance of the SQL being analyzed.

The script generates an HTML report with information on data collected by the script. The script has no footprint and can be run on any system.

You must connect as SYS or with a user with the DBA role.
The script takes 2 parameters, the first one is about your licensing (Tuning or Diagnostics or None T|D|N), the second is the SQL_ID that needs to be analyzed. Not that if you want to use both the Diagnostic and Tuninbg pack you have to use T as the first parameter.

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