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mysql查询默认是不区分大小写的 如:
select * from table_name where a like ‘a%‘
select * from table_name where a like ‘A%‘
select * from table_name where a like ‘a%‘
select * from table_name where a like ‘A%‘
效果是一样的。
要让mysql查询区分大小写,可以:
select * from table_name where binary a like ‘a%‘
select * from table_name where binary a like ‘A%‘
select * from table_name where binary a like ‘a%‘
select * from table_name where binary a like ‘A%‘
也可以在建表时,加以标识
create table table_name(
a varchar(20) binary
}
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原文地址:http://www.cnblogs.com/alston/p/4758916.html