Sometimes, database users have to add data to a table from other tables. There is more than one way to do this - and we will explore all of them in this blog. We will also look at how these affect performance during MySQL SQL performance t…

There are several SQL Server hosts containing numerous instances while a database management system operates. These instances consume resources - some of them significantly more than others - causing CPU issues. However, it can be difficul…

In this blog, we’ll cover redundant and duplicate indexes, which are quite common in applications and affect database performance. An index is duplicated when there is more than one defined on a single column. Such indexes may have varying…

How many partitions can one have in MySQL? As a DBA, you may face this question sooner or later, either as a hypothetical one or as an interesting case in a real-world scenario. What if a client dealing with a huge MySQL data warehouse has…

Whether you’re a developer or DBA (Database Administrator) or system admin, once in a while you will surely get stuck with the long-running queries in the SQL server. For this, you need to execute SQL performance tuning. SQL performance tu…