View of MySQL

1.MySQL The view of

1.1 View introduction

1.2 View creation

[or replace] It can be omitted , Keep it means that if there is a view, update it , There is no direct creation .

1.3 Modify the view

1.4 Update the view

When updating the view , Also update the original image , Such as update view1_emp The name of , The original table emp Also updated .

1.5 Delete view and rename view

Reference resources ：

https://www.bilibili.com/video/BV1iF411z7Pu?p=102&spm_id_from=pageDriver