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My phpstudy has been upgraded. The database I created before is still there. I don’t know how to update the database version
Why do we need to update the database version? The existing one is enough
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Why do we need to update the database version? The existing one is enough