What are the advantages of indexing?
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What is exit statement?
Differentiate between sga and pga.
What are nested triggers ?
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what is a database transaction? : Sql dba
what are the properties and different types of sub-queries? : Sql dba
What is the usage of NVL?
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If records are inserted into table without committing.How to refer to these values in a procedure?
What are the dml statements?
how can we destroy the session, how can we unset the variable of a session? : Sql dba
What is sql performance tuning?
What are the possible values for the boolean data field?
what are the differences between char and varchar? : Sql dba
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