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New posts in query-optimization

MySQL Query: Long time spent in 'init' state

mysql query-optimization

Optimizing MySQL query to avoid scanning a lot of rows

mysql query-optimization

How to optimize this simple JOIN+ORDER BY query?

Optimal row size to fetch at a time from a big table

Optimizing PostgreSQL query with multiple joins, order by and small limit

MySQL query with JOIN and GROUP BY optimization. Is it possible?

Mysql query still slow even using indexes

mysql query-optimization

why is this query so slow with MySQL?

Performance comparison of these two queries

How do I do eager loading for multiple associations?

Optimize SQL query in PostgreSQL

GroupAggregate for Subquery in Redshift/PostgreSQL

Why is limit 0,1 slower than limit 0, 17

MySQL - How can this query be optimised?

Weird MySQL query plan: why is this query using temporary & filesort? How to optimize it?

Optimize SQL generated by LINQ Query in Entity Framework 4.1 with one-to-many associations

How does appengine implement query on a list efficiently?

MYSQL query optimization, multiple queries or one large query

Decrease the number of elif blocks

How to estimate SQL query timing?