We want to rename a column in our MySql (version 5.5) database with something like this: ALTER TABLE t1 CHANGE a b INTEGER; Is this an O(N) (N=number of rows in the table) or an O(1) operation? I ...
I'm the tech lead of a Social Media SAAS, where we're currently experiencing a big increase in data amount we're storing in our mySQL-database. We're having a single MySQL db, and besides many ...
Can someone tell me what is the SQL command to create a table with specific owner?
I've an MySQL 5.1 slave for our BI team. They need to make some CREATE SELECT with big select queries (several million lines). As CREATE SELECT is a DDL, if the replication attempts to update some ...