Describe perform recovery
Describe briefly perform recovery?
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When Informatica Server starts a recovery session, it reads OPB_SRVR_RECOVERY table and notes the row ID of the last row committed to target database. The Informatica Server then reads overall sources again and starts processing from next row ID.
In which case the functional dependencies are not equations? Describe briefly?
Explain the term CLIPPER.
Explain the Hash file and the Sequential File?
States the term SnowFlake.
Write about the term Attribute, Entity and Relationship?
Specify the user profiles within the Supervisor?
Provide a brief introduction of the term ‘junk dimension’?
Explain three types of SQL database server architecture?
What do you understand by the term concurrency control in DBMS?
Define the term data aggregation?
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