…engine for MySQL – Innodb. Innodb Storage Engine was covered in a lot of talks, many of …MyISAM tables by separate phase of building Indexes ? Will be UNIQUE indexes built by sorting in case of… are probably similar problems in INSERT IGNORE and ON DUPLICATE KEY UPDATE cases. Now In MySQL 5.1+ it is…
Post: Duplicate indexes and redundant indexes
August 17, 2006 By 38 Comments
… to be updated on update/insert delete. Duplicate keys are bad so once you find them get rid of them. Note: Duplicate indexes apply to indexes of the… you want certain query to run as index covered query (retrieve all columns from the index) – such indexes may become way too long to…
