use test select * from vote insert into vote (contents) values(GETDATE()) insert into vote (contents,timess,AAA) values ('ss',GETDATE(),GETDATE()) --插入數據時 不能為空值的列名必須 寫上, 能為空的可以不寫 select AAA from vote where ID=22 select CONVERT(varchar(12) , AAA, 111 ) from vote where ID=22 111的結果 xxxx/xx/xx; 111換成23的結果是 xxxx-xx-xx