低碳钢弹性模量测定与（）A.试件横截面面积B.试件的长度C.试件材料的种类D.试件截面形状-找考题网

单项选择题To give database user ‘Zhang’ the privilege of modifying balance on table account, Which of the following statements is RIGHT: A、GRANT UPDATE(balance) ON account TO Zhang ; B、GRANT UPDATE balance OF account TO Zhang ; C、REVOKE UPDATE(balance) ON account TO Zhang ; D、REVOKE UPDATE balance OF account FROM Zhang ;