C.(112)8 D.(4F)H 【答案】:D 5、将查询关系 S 的权限授予用户 WANG,并允许该用户将此权限授予其他用户。实现此功能的 SQL 语句是( )。 SELECT TO S ON WANG WITH PUBLIC SELECT ON S TO WANG WITH PUBLI SELECT ON S TO WANG WITH PUBLICCGRANT SELECT TO S TO WANG WITH GRANT OPTION SELECT ON S TO WANG WITH GRANT OPTION 【答案】:D 6、能够消除多值依赖引起的冗余是( )。