How can get second highest salary in sql?
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What is exception? What are the types of exceptions?
<<labele>> declare a=10 b=20, begin some statements declare a=30 c=40 end; what is the A value in nested block?
What is the usage of nvl function?
what is difference b/w pravite procedures and public procedures?
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What are the events on which a database trigger can be based?
Which query operators in sql is used for pattern matching?
What is procedure function?
Is full outer join same as cross join?
how can we destroy the session, how can we unset the variable of a session? : Sql dba
Explain sql data types?
What is the difference between joins?
Why do we use triggers?
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