Search Results for: mysql subqueries more than

MySQL Query Patterns, Optimized – Webinar questions followup

On Friday I gave a presentation on “MySQL Query Patterns, Optimized” for Percona MySQL Webinars.  If you missed it, you can still register to view the recording and my slides. Thanks to everyone who attended, and especially to folks who asked the great questions.  I answered as many as we had time for  during the session, but here […]

A micro-benchmark of stored routines in MySQL

Ever wondered how fast stored routines are in MySQL? I just ran a quick micro-benchmark to compare the speed of a stored function against a “roughly equivalent” subquery. The idea — and there may be shortcomings that are poisoning the results here, your comments welcome — is to see how fast the SQL procedure code […]

MySQL Community Dinner

Yesterday we started the conference early with MySQL Community Dinner which was quite a success with about 30-50 people showing up (hard to count as people come and go) even though it was conflicting with Silicon Valley MySQL Meetup and which at least prevented Jeremy and his team showing up. UPDATE: What I was thinking… […]

MySQL 6.0 Subquery optimizations are published.

Sergey Petrunia brought to my attention the work Optimizer Team has done in MySQL 6.0 related to SubQuery Optimization. I am excited to see this information published honestly outlining the things which are fixed now and things which are still not handled well. According to the bug sampling done by Optimizer Team 68% of reported […]

Top 5 Wishes for MySQL

About a week ago Marten send me email pointing to his article published on Jays Blog (Come on Marten, it is time for you to get your own blog). I should have replied much earlier but only found time to do that now. So here is my list 1. Be Pluggable Unlike many OpenSource projects […]