DISTINCT 语法
1 SELECT DISTINCT NAME FROM TABLENAME
删除去重SQL语法
DELETE FROM QuestionLib where ID in ( select min(ID) ID FROM QuestionLib group by NAME having Count(0)>1);
时间: 2024-08-05 01:25:14
DISTINCT 语法
1 SELECT DISTINCT NAME FROM TABLENAME
删除去重SQL语法
DELETE FROM QuestionLib where ID in ( select min(ID) ID FROM QuestionLib group by NAME having Count(0)>1);