[英]mysql - select concat query
I'm trying to list all users beginning with a letter, eg D我正在尝试列出所有以字母开头的用户,例如 D
Would the following be the right method of doing this.以下是正确的方法吗?
Select concat(firstname, '',lastname) from users where concat(lastname) = "D*"
我会尝试:
select * from users where lastname like 'D%';
For getting list starting with eg: "D":获取以例如“D”开头的列表:
SELECT concat(firstname, '',lastname) FROM users WHERE LEFT((concat(firstname, '',lastname)),1)= 'D'; SELECT concat(firstname, '',lastname) FROM users WHERE LEFT((concat(firstname, '',lastname)),1)= 'D';
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