What are %type and %rowtype for?
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Explain correlated query work?
In testing where do we use sql language and how it helps in testing?
What is over () in sql?
Is coalesce faster than isnull?
can we create index on index?
Explain unique key in sql.
Why use stored procedures?
What is varchar used for?
How do I save a stored procedure?
How to pipe multiline string to isql?
What is sql*loader and what is it used for?
What is the difference between the implicit and explicit cursors?
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