增: INSERT INTO LoginInfo ( [ID] ,[Name] ,[Pass] ,[Sex] ,[TrueName] ,[Phone] ,[Email] ,[Address] ,[TrueDatetime] ) VALUES (ID,'Name','Pass','Sex','TrueName','Phone','Email','Address','TrueDatetime') 删: DELETE FROM LoginInfo WHERE <搜索条件> 改: UPDATE LoginInfo set [ID] = <ID>,[Name] = <Name>,[Pass] = <Pass>,[Sex] = <Sex>,[TrueName] = <TrueName>,[Phone] = <Phone>,[Email] = <Email>,[Address] = <Address>,[TrueDatetime] = <TrueDatetime> WHERE <搜索条件> 查: SELECT *FROM LoginInfoSELECT [ID],[Name],[Pass],[Sex],[TrueName],[Phone],[Email],[Address],[TrueDatetime] FROM LoginInfo