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全部博文（487）
发布时间：2019-09-18 15:01:37
1.USERS is the database default tablespace.3.They also have UNLIMITED QUOTA on the default tablespace USERS.Examine these commands:ConnectedGrant succeeded.Grant succeeded.Grant succeeded.A)If sys revokes CREATE TABLE from user1 , it is not revoked from USER2 and USER3..........【阅读全文】
发布时间：2019-09-18 13:30:17
1.USER is the database default tablespace.3.They also have UNLIMITED QUOTA on the default tablespace USERS.Examine these commands:Connected.Grant succeeded.Connected.Grant succeeded.Grant succeeded.A)If SYS revokes CREATE TABLE from USER1, it is not revoked from USE.........【阅读全文】
发布时间：2019-09-11 10:48:07
SYS executes this command：What will be the outcome?B)It will succeed and USER2 will be unable to perform sELECT or UPDATE on USER1.EMP because updates require select be done internallyD)It will fail because USER1 owns USER1.EMP赵：属主对自己拥有的对象的权限不可被收回.........【阅读全文】
发布时间：2019-09-10 13:03:28
Sys executes this command:What will be the outcome?B)It will succeed but neither USER1 nor USER2 will be able to perform SELECT, INSERT, or UPDATE on USER1.EMP.D)It will succeed and neither USER1 nor USER2 will be able to perform INSERT or UPDATE on USER1.EMP, but both will be able to .........【阅读全文】
发布时间：2019-09-10 09:28:12
SQL> ALTER SYSTEM SET db_recovery_file_dest_size=2G;A) It changes DB_RECOVERY_FILE_DEST_SIZE to 2G and deletes the obsolete backupsC) It fails because DB_RECOVERY_FILE_DEST_SIZE is a static parameterE) It fails because the new size is less than 5GCUUG：因为当前还有空闲的空间 3G,所.........【阅读全文】
