What is pl sql in oracle?
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what is External tables? explain with examples
How do you select unique values in sql?
Define commit, rollback and savepoint?
In what condition is it good to disable a trigger?
what is rollback? : Sql dba
What is Histogram?
what are the system privileges that are required by a schema owner (user) to create a trigger on a table?
What is the sql query to display the current date?
how will u find statistics of a database objects?
What are the commands used in sql?
What is the difference between drop and truncate commands?
What is bind reference and how can it be created?