Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. See our User Agreement and Privacy Policy.
Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. See our Privacy Policy and User Agreement for details.
Adrian Hardy's slides from PHPNW08
Once you have your query returning the correct results, speed becomes an important factor. Speed can either be an issue from the outset, or can creep in as your dataset grows. Understanding the EXPLAIN command is essential to helping you solve and even anticipate slow queries.
Associated video: http://blip.tv/file/1791781
Login to see the comments