MySql的like語句中的通配符：百分號、下劃線和escape

MySql的like語句中的通配符：百分號、下劃線和escape

%代表任意多個字符

Sql代碼 http://blog.csdn.net/yc7369/

select * from user where username like '%huxiao';

select * from user where username like 'huxiao%';

select * from user where username like '%huxiao%';

_代表一個字符

Sql代碼

select * from user where username like '_';

select * from user where username like 'huxia_';

select * from user where username like 'h_xiao';

如果我就真的要查%或者_，怎麼辦呢？使用escape，轉義字符後面的%或_就不作爲通配符了，注意前面沒有轉義字符的%和_仍然起通配符作用

Sql代碼

select username from gg_user where username like '%xiao/_%' escape '/';

select username from gg_user where username like '%xiao/%%' escape '/';