To intuitively understand join operations, we first build a simple example database that stores grocery items and their corresponding categories. The category information is stored in the categories ...

Especially in the second edition, it has been fully updated for MySQL 8, and after reading it, you will feel that this is not just a book; it is more like a practical manual that helps you truly ...

Hello all. For those who don't know, I co-run a web hosting company. We recently upgraded MySQL from 4.x to 5.x, then back down to 4.x (I can get specific versions if necessary) due to ...