... Kế - Tri n Khai Hệ Quản Trị CSDL Page 11CREATE TRIGGER TG_U_SinhVatON ChiTietSinhVatFOR UPDATEASBEGINDECLARE @MaSinhVat varchar(10), @Ten nvarchar(50), @TenKhoaHoc varchar(50),@MaLop varchar(10), ... "N/A"CREATE FUNCTION fcSinhVat_SL(@string varchar(10)) RETURNS varchar(10)ASBEGINIF (@string IS NULL)SET @string = 'N/A'RETURN @stringENDGOSELECT MaSinhVat, Ten, TenKhoaHoc, MoiTruongSong,dbo.fcSinhVat_SL(SoLuong) ... TRIGGER TG_D_SinhVat_BackupON ChiTietSinhVatFOR DELETEASBEGINDECLARE @MaSinhVat varchar(10), @Ten nvarchar(50),@MaVung int, @MaMucDo varchar(10)SELECT @MaSinhVat = MaSinhVat, @Ten = Ten,@MaVung...