write a query to delete similar records in different tables with same structure

4 Answers  

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I am creating an index on Emp table Empno column,if u using this indexed column in ur SELECT stmt. where clause,then how do u know that yr index will be working or nor? Thanks Advance...

3 Answers  

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What is trigger in sql?

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Types of locks in database ?

8 Answers   HCL, TCS, Tieto,

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Is sql a scripting language?

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Does a join table need a primary key?

0 Answers  

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What does := mean in pl sql?

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What is the order of sql select?

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What is function and procedure?

0 Answers  

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Can we use loop in sql?

0 Answers  

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What is pivot in sql?

0 Answers  

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Explain UNION,MINUS,UNION ALL, INTERSECT?

1 Answers  

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