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Can we use where clause in union?
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Suppose i have one sql query that contains 2 minute to execute.After one weekly i am executing same query that is taking 5 minute.Why our same query is taking more time.what would be my approach to reduce execution time.Please help.
1 Answers Cognizant, HCL, Value Labs,
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what is raid and what are different types of raid configurations? : Sql server database administration
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