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New posts in query-optimization

How to efficiently select rows having a MIN date in postgres

Optimize Subselect Search query

SQL Server Full Text Search With NULL Parameters - performace hit

Mysql is it faster to use numbers in where clause compared to strings?

Performance for join table with string comparison

How can I handle the time consuming SQL?

Query optimization in Delphi 4

MySQL view taking too much time to select data

Getting SQL results in parts

EXTREMELY Poor LINQ Query Performance When Using Skip/Take for Paging

MySQL slow queries aren't logged

Which Composite Index would make this simple MySQL query faster?

How can I make T-SQL perform OPTION (FORCE ORDER) when defining views?

MySQL SELECT MAX vs ORDER BY LIMIT 1 on WHERE clause

mysql query-optimization

Why does removing the BINARY function call from my SQL query change the query plan so dramatically?

Why does 'Index Seek' read 20 million rows for `select max(uk) from T where uk <= @x`?

rails force execution of SQL query in where clause