This blog was originally published in January 2023 and was updated in April 2024. MySQL index is a data structure used to optimize the performance of database queries at the expense of additional ...

Using table indexes in databases enables you to find information within the database faster and more efficiently than not using table indexes. The two index types that are commonly used in database ...

I'm currently working on a particular table that is about 7 million records. Size on disk is about 2GB. It so happens that the way this is indexed, The size of the index is about double the size of ...