I have an INSERT INTO ... SELECT.. query that uses a JOIN on two tables. The results of the query should take a subset of the information and insert it into an existing table. That part works, but the ...
As a follow up to this question, I'm wondering if there is a better and/or more efficient way to gather the data in question. As stated, this query does return me 95% of the data I need -- SELECT ...
I am developing a social network site and expecting very good response from people so expecting huge users (maybe more than million in years). My website is holding user information table and all its ...
We are using common table expressions to temporarily save the search results. WITH Results ( ------ ) AS ( select --- ) SELECT * FROM ...
The indexes are affecting the ADD/UPDATE operations however I was wondering whether the redundant indexes will affect the SELECT query performance or not? How the redundant indexes are handled by ...