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How to Quiesce a Database
Quiesce a database is a new feature in Oracle 9i. It is similar to the restricted mode. When a database in a quiesced mode no one can connect to the database except SYS and SYSTEM and all current user sessions are suspended.
Instance and Database Maintenance Mode: Quiesce
Database maintenance is an on-going activity and responsibility of a DBA. From time to time, a DBA needs to perform maintenance work on an instance or a database in an exclusive or controlled mode.
Power Management: Looking For A Direction
The rationale behind putting power management functions in classes was that the higher-level code would better understand how to "quiesce" a device in preparation for a power state change.