1.

Which data directory subdirectory provides the information used to inspect the internal execution of the server at runtime.(a) mysql(b) performance_schema(c) sys(d) nbdinfo

Answer» Right option is (b) performance_schema

To elaborate: The ‘performance_schema’ directory corresponds to the Performance Schema. It provides information used to inspect the internal execution of the server at runtime. The ‘sys’ directory maps to ‘nbdinfo’.


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