How to manage the Tuning and Diagnostic licenses

CONTROL_MANAGEMENT_PACK_ACCESS, controls access to the Diagnostic Pack and Tuning Pack. This parameter can be set to one of three values:

DIAGNOSTIC+TUNING: Diagnostic Pack and Tuning Pack functionally is enabled in the database server.

DIAGNOSTIC: Only Diagnostic Pack functionality is enabled in the server.

NONE: Diagnostic Pack and Tuning pack functionally is disabled in the database server.

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