模糊查询优化
select * from sys_user where user_name like "%1%"
SELECT * FROM sys_user WHERE INSTR(user_name, '1' )>0
模糊查询优化
select * from sys_user where user_name like "%1%"
SELECT * FROM sys_user WHERE INSTR(user_name, '1' )>0
647
1万+
752
1086
715
390

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