MySQL index


This is an article about MySQL, mainly introducing MySQL index

# #1. Introduction to Indexes

An index is also called a key in MySQL. It is a data structure used by the st

MySQL view

What is a view? For example, if there is a basic table, user 1 can view the data and can view fields 1 and 2, and user 2 can view the fields 3 and 4, then these two users There are different views