Why query optimization is needed?
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how to get the third quarter of employee details from emp?
How to combine two stored procedures in sql?
What is sqlexception in java?
What is the diffrence between IN and EXISTS.which one is faster.
we have a package and we have grants to execute that package inside of that we have table, here we don't have privileges to this table? whether this package will execute or not?
Types of backups ?
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What is varray in pl sql?
What are triggers in sql?
Is t sql a programming language?
What does count (*) mean in sql?
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