A. DECLARE Kcb_Cur CURSOR FOR SELECT * FROM KCB B. SET Kcb_Cur = CURSOR FOR SELECT * FROM KCB C. CREATE CURSOR Kcb_Cur AS SELECT * FROM KCB D. DECLARE Kcb_Cur AS TABLE KCB
對于下面語句: 執(zhí)行后,@sum的值為()
A. 5 B. 0 C. 10 D. 1
對于下面語句: 執(zhí)行后,@sum的值為()
A. 21 B. 6 C. 15 D. 10