…table design and understanding inner…table etc. Prefer full table scans to index accesses – For large data sets full table…joins to large tables Joining of large data sets using nested loops is very expensive. Try to avoid it. Joins to smaller tables…
Post: Identifying the load with the help of pt-query-digest and Percona Server
December 29, 2011 By 3 Comments
…otherwise you can have a really large log file generated. Another thing…while no such statistics are available for queries that are logged using …, the number of tmp tables created in memory vs on-disk, percentage…INNER JOIN wp_term_relationships AS tr ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE…
