题解 | #将查询后的列重新命名#
将查询后的列重新命名
https://www.nowcoder.com/practice/0d8f49aeaf7a4e1cb7fecec980712113
select device_id as user_info_example from user_profile limit 2; 取m行到n行:limit m,n 取前n行:limit n (默认m为0)
将查询后的列重新命名
https://www.nowcoder.com/practice/0d8f49aeaf7a4e1cb7fecec980712113
select device_id as user_info_example from user_profile limit 2; 取m行到n行:limit m,n 取前n行:limit n (默认m为0)
相关推荐