How do you Optimize query

How can i choose which query is best?
i.e On which factors i can choose the best query?

Questions by ramesh.akula9

Showing Answers 1 - 3 of 3 Answers

By forcing the SQL engine to use indexes.
If query is too much nested then break it into two or three queries using temp tables and then write one query by joining these temp table to perform the task.

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