LEFT JOIN is supposed to be faster than a NOT IN query. This is what I've read online. But practically, this seems to be opposite. I have the following query here, INSERT IGNORE INTO callrequests ...
I have a small setup of MySQL Community Server version 5.6 running on KVM based VPS. 4 CPU cores are available and total memory is limited to 1GB. I use MyISAM tables mainly for Wordpress and few ...
The machine has a 4-core hyper-threaded Intel i7 670 @ 2.8GHz, 16G RAM, 8G of which is InnoDB buffer pool. The database resides on Intel SSD disk. DBMS is MariaDB 5.5.30 x64 running under Windows ...
About a year back I introduced a query which returns a sort of "Customers Also Purchased" data-set. At the time it ran reasonably fast however, as of late it's become very slow, sometimes taking up to ...
I've been wondering lately what (if any) are the improvements available in MariaDB over 'conventional' MySQL? I understand that where platform interoperability and/or backwards compatibility may be ...
I want to performance test (aka bake-off) MySQL server rpm against some other forks such as Percona server, MariaDB, and possibly some others. I'm hoping that by asking this question I can better ...