Database trigger is stored PL/SQL program unit associated with a specific database table. Usages are Audit data modifications, Log events transparently, Enforce complex business rules Derive column values automatically, Implement complex security authorizations. Maintain replicate tables.
Suppose you have taken a manual backup of a datafile using o/s. How RMAN will know about it?
Explain the steps involved in SCN based recovery from the full database from hot backup?
What is the difference between physical and logical backups?
Tell me is it possible to specific tables when using RMAN DUPLICATE feature? If yes, how?
Explain the steps for changing the DBID in a cloned environment?
How RMAN improves backup time?
What is the difference between obsolete RMAN backups and expired RMAN backups?
Explain the steps for recovery with missing online redo logs?
How would you speed up the RMAN backup of a 500GB database?
Tell me what is the meaning of configure encryption algorithm in rman and why we need to set this parameter in rman configuration?
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