... Kinh_doanh gm bng: - To CSDL gm bng KHACH_HANG, HOA_DON, MAT_HANG cú cu KHACH_HANG, HOA_DON, trỳc nh sau: MAT_HANG theo yờu cu GV KHAC_HANG Tờn trng Ma_khach_han g Hoten Dia_chi MAT_HANG Tờn ... Yờu cu HS m CSDL Kinh_doanh gm bng: - M CSDL Kinh_Doanh gm KHACH_HANG, HOA_DON, MAT_HANG cú cu bng trỳc nh sau: KHACH_HANG, HOA_DON, MAT_HANG KHAC_HANG Tờn trng Ma_khach_han Mụ t Mó khỏch hng g ... Doanvien:Boolean; b Cung cp mụi - Cng Pascal khai bỏo cu Toan,ly,hoa,van ,tin: real; trng cp nht v trỳc bn ghi Hc sinh cú trng: End; khai thỏc d liu hoten,ngaysinh, gioitinh, doanvien Ngụn ng ngi toan,ly,hoa,van ,tin: ...