A. 安全性 B. 完整性 C. 并发控制 D. 恢复
A. REVOKEUPDATE ONTABLE student FROMuser1 B. REVOKEUPDATE ONTABLE student(sno) FROM user1 C. REVOKEUPDATE(sno)ON TABLE studentFROMuser1 D. REVOKEUPDATE ON TABLE student.sno FROM user1
A. GRANT UPDATE ONSC.grade TOuser1; B. GRANTUPDATEONSCTOuser1; C. GRANTUPDATE(grade)ONSCTOuser1; D. GRANTUPDATEONSC(grade)TOuser1;
A. 存取控制技术 B. 视图技术 C. 审计技术 D. 出入机房登记和加防盗门
A. 自主存取控制 B. 强制存取控制 C. 数据加密 D. 审计
A. grantselect(*)onS,SCtouser1; B. grantselectontableSandSCtouser1; C. grantselectontableS,SCtouser1; D. grantselectontableS,SCtopublic;
A. grantinsert,dropontableS,SCtouser1; B. grantinsertontableS,deleteontableSCtouser1; C. grantinsertanddeleteontableS,SCtouser1; D. grantinsert,deleteontableS,SCtouser1;
A. grantselect,updateontableSCtouser1; B. grantselect,updateontableSC.gradetouser1; C. grantselect,update(grade)ontableSCtouser1; D. grantselectontableSC,update(grade)ontableSCtouser1;
A. grant update ontableS,SCtouser1; B. grant alter table ontableS,SCtouser1; C. grant alter tableS, alter table SCtouser1; D. grant update tableS, update table SCtouser1;