A table user data is as follows
idnamepassnum1aaa12345602bbb12345633ccc1234564There 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
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The table is not displayed, please add
IDuserpassnum1aaa12312312bbb1231233