What is a unique constraint?
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Are stored procedures compiled?
Why left join is used in sql?
What does the argument [or replace] do?
What is %type in sql?
What is sql partition function?
how to get second highest salary in SQL(as/4000
What do you mean by table in sql?
How does postgresql compare to mysql?
What is ON DELETE CASCADE?
What is meant by Materialized view?
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can we use out parameter in a function?Give an example.
Which are sql * plus commands?
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