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Hi all,

I was asked a question in interview.Suppose an employee table with columns ID,Name,Age,
Sex,Designation and there are lakhs of records.

Query is
Select Name,Age,Sex from Employee where Designation=@EmpDesignation.

WHat is alternative query to improve the performance on database.How can we do that

Thanks in advance
Posted
Comments
ridoy 29-Sep-13 3:48am
   
I think indexing would be a good option and also use a LIKE operator.
bluesathish 30-Sep-13 3:47am
   
create a index on designation column would reduce the retreiving time.

1 solution

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Solution 1

   

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