Quantcast
Channel: MariaDB Archives - Percona Database Performance Blog
Viewing all articles
Browse latest Browse all 153

Why SELECT COUNT(*) FROM TABLE Is Sometimes Very Slow in MySQL or MariaDB

$
0
0
slow SELECT COUNT(*) FROM TABLE; MySQLIf you have enough experience with MySQL, it is very possible that you stumbled upon an unusually slow SELECT COUNT(*) FROM TABLE; query execution, at least occasionally. Recently, I had a chance to investigate some of these cases closer, and it stunned me what huge differences there can be depending on the circumstance given the […]

Viewing all articles
Browse latest Browse all 153

Trending Articles