As a MySQL DBA, you like to know who is connected on the system you manage. You also like to know who is trying to connect. In this article, we will discover how we can retrieve the information and control…
Recently, I saw many interest in understanding and getting information about database locking. MySQL InnoDB’s locking can be complex and having an overview not always simple. For more information about how InnoDB locking is working, I can only recommend this…
This morning, a user asked in the MySQL Community Slack if somebody had an idea why the error log was filled up continuously with a warning messages like this one: 2020-07-24T06:54:00.877128Z 46 [Warning] [MY-013360] [Server] Plugin sha256_password reported: ”sha256_password’ is…
In MySQL, it’s very common and recommended to you an auto_increment as Primary Key. However that integer can have different types each having their size limitation, and they can also be signed or not. Many people when creating a table…
Yesterday, Bhuvanesh published an article about how to verify the difference between allocated diskspace for a tablespace and the the data in it. I commented with an old post explaining how to get some similar info only using SQL in…
As MySQL Community Manager, I am an employee of Oracle and the views expressed on this blog are my own and do not necessarily reflect the views of Oracle.
You can find articles I wrote on Oracle’s blog.