ower
select lower(user_name) from user
将 user表里的user_name字段信息中含有字母的全部转成大写的方法:
update user set user_name=Upper(user_name)
同理得到将 user表里的user_name字段信息中含有字母的全部转成小写的方法:
update user set user_name=lower(user_name)
时间: 2024-10-10 01:56:18
ower
select lower(user_name) from user
将 user表里的user_name字段信息中含有字母的全部转成大写的方法:
update user set user_name=Upper(user_name)
同理得到将 user表里的user_name字段信息中含有字母的全部转成小写的方法:
update user set user_name=lower(user_name)