Question : Got an issue with a fair few queries in our system that all rely on a status table […]
Tag: mysql-5.6
Need help to understand how information_schema.TABLES get updated
Question : I created large innodb table mysql> select count(*) from big_data; +———-+ | count(*) | +———-+ | 23822336 | […]
Compare the hash password value in mysql.user [duplicate]
Question : This question already has answers here: Why are the passwords in MySQL (5.x) not salted? (1 answer) MYSQL […]
Server stuck in INTERNAL DDL LOG RECOVERY IN PROGRESS
Question : Recently, one of my servers had a crash. I had alot of trouble but managed to restore everything. […]
Trouble Figuring out why My Query is so slow
Question : I have a query that takes 15 seconds to get 350 results in a MySQL 5.6 Server and […]
How can we implement “A student can enroll in up to 4 units in a semester “
Question : I have a practice problem on Database implementation and am confused. For this database, I need to store […]
MySQL still seems to be establishing a connection even when access is denied, causing aborted connects and instability
Question : Lately the server’s been going a bit haywire and we’ve spent several weeks chasing down leads to no […]
Flush Host Connection Blocked, but some connections allowed
Question : We are running Percona MySQL 5.6.30. We’ve had an issue where a PHP script on a different host […]
wordpress site kills mysql
Question : I move client wordpress sites from one VPS to another, it all went smooth until I moved a […]
MySQL: How to create Column if not exists?
Question : I am trying to create a Column for my table only if it does not exist. I have […]