多項(xiàng)選擇題

Which two statements are true about the roles in the Oracle database？（）

A.A role can be granted to itself.
B.Roles are owned by the SYS user.
C.Roles can be granted to other roles.
D.A role cannot be assigned external authentication.
E.A role can contain both system and object privileges.

你可能感興趣的試題

單項(xiàng)選擇題

You are working on an online transaction processing （OLTP） system. You notice that a PL/SQL procedure got executed twice at 2） 00 p.m. This has incorrectly updated the EMP_SAL table. How would you revert the table to its state at 2） 00 p.m.？（）

A.Perform point-in-time recovery to 2： 00 p.m.
B.Use Flashback Table feature to revert the changes.
C.Restore the entire database from the recent backup and open it.
D.Issue the rollback statement with system change number （SCN）.

單項(xiàng)選擇題

Your test database is running in NOARCHIVELOG mode. What are the implications of this？（）

A.You can perform open database backups.
B.You can perform closed database backups.
C.You cannot perform schema-level logical backups.
D.You can perform the backup of only the SYSTEM tablespace when the database is open.

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Which two statements are true about the roles in the Oracle database？（）

你可能感興趣的試題

You are working on an online transaction processing （OLTP） system. You notice that a PL/SQL procedure got executed twice at 2） 00 p.m. This has incorrectly updated the EMP_SAL table. How would you revert the table to its state at 2） 00 p.m.？（）

Your test database is running in NOARCHIVELOG mode. What are the implications of this？ （）

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Which two statements are true about the roles in the Oracle database？（）

Your test database is running in NOARCHIVELOG mode. What are the implications of this？（）