• 2022-06-11
    要授予所有用户对表 CUSTOMER 的 SELECT 权限,需用哪个语句?
    A: GRANT SELECT ON CUSTOMER TO ALL USERS;
    B: GRANT ALL ON CUSTOMER TO ALL;
    C: GRANT SELECT ON CUSTOMER TO ALL;
    D: GRANT SELECT ON CUSTOMER TO PUBLIC;
  • D

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      若要授予用户u1在Goods表上具有查询权限,下列语句正确的是 ( ) A: GRANT ON Goods SELECT TO u1 B: GRANT TO u1 SELECT ON Goods C: GRANT SELECT ON Goods TO u1 D: GRANT SELECT TO u1 ON Goods

    • 1

      【单选题】下列SQL语句中,能够实现“将查询SC表的权限授予用户U1,并且允许该用户将此权限授予其他用户”这一功能的是()。 A. GRANT SELECT TO SC ON U1 WITH PBULIC; B. GRANT SELECT ON SC TO U1 WITH PUBLIC; C. GRANT SELECT TO SC ON U1 WITH GRANT OPTION; D. GRANT SELECT ON SC TO U1 WITH GRANT OPTION;

    • 2

      授予用户Jean可以查询帐户表account的权限,使用的SQL语句是(<br/>) A: GRANT<br/>SELECT ON account TO Jean B: GRANT<br/>SELECT TO Jean ON account C: GRANT<br/>SELECT TO account ON Jean D: GRANT<br/>SELECT ON Jean TO account

    • 3

      对角色student_role授权,其权限是对数据库libinfo中图书信息表book_info具有查询权限,则该授权语句是( ) A: grant select on student_role to libinfo.book_info; B: grant select on libinfo.book_info to student_role; C: grant update on student_role to libinfo.book_info; D: grant all on student_role to libinfo.book_info;

    • 4

      SQL语言用______语句向用户授予对数据的操作权限,用______语句收回授予的权限。( ) A: GRANT,DENY B: GRANT,REVOKE C: SELECT,DELETE D: REVOKE,GRANT