MySQL ORDER BY带下划线的字符串？
让我们首先创建一个表-
mysql> create table DemoTable ( Name varchar(100) );
使用插入命令在表中插入一些记录-
mysql> insert into DemoTable values('John_Smith');
mysql> insert into DemoTable values('Chris Brown');
mysql> insert into DemoTable values('John_Doe');
mysql> insert into DemoTable values('David Miller');
mysql> insert into DemoTable values('Carol Taylor');使用select语句显示表中的所有记录-
mysql> select *from DemoTable;
这将产生以下输出-
+--------------+ | Name | +--------------+ | John_Smith | | Chris Brown | | John_Doe | | David Miller | | Carol Taylor | +--------------+ 5 rows in set (0.00 sec)
以下是带有下划线的按字符串排序的查询-
mysql> select *from DemoTable order by (Name LIKE 'John_%') DESC,rand();
这将产生以下输出-
+--------------+ | Name | +--------------+ | John_Doe | | John_Smith | | Carol Taylor | | David Miller | | Chris Brown | +--------------+ 5 rows in set (0.42 sec)
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