stored procedure performance

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can any one suggest how to improve the performance of procedure ?
please suggest every thing including alternative code or indexes on which column etc.
hint: i did not create any constraints and indexes on both tables.

Posted 24-Oct-15 2:46am

Bala Chandra C

Updated 26-Oct-15 1:56am

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Patrice T · Answer 1 · 2015-10-24T03:18:00

Quote:
hint: i did not create any constraints and indexes on both tables.

If both tables are not indexed, creating a index on Email on both tables will have dramatic effects on performance.
If this is not obvious to you, I guess you have lot of reading to plan for this winter.
Read about principles of SQL and about databases principles.

F-ES Sitecore · Answer 2 · 2015-10-26T02:04:00

This is a massive topic that whole books have been written on so I suggest you google for existing articles on stored procedure or query performance.

Your question as it stands is impossible to answer as there is no "one size fits all" answer for improving performance. If you add indexes then it will speed up SELECTs but slow down INSERTs and DELETEs. There are many many factors, it is a complex subject, and as you haven't said exactly what your SPs do it is impossible to give specific advice.

stored procedure performance

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