Please tell me about the high burst operation of the same data.

Question

A table user data is as follows

idnamepassnum1aaa12345602bbb12345633ccc1234564

There is a php file. When executed, the num of id1 will be increased by 1. Now many people are accessing this php file at the same time. Will it cause num? The recorded value is incorrect or wrong

Answer 1

The table is not displayed, please add

IDuserpassnum1aaa12312312bbb1231233