[单选]

You are in the middle of a transaction updating a very important table. The machine on which a database wasrunning reboots because of power outage. This caused a database instance failure. Which statement is true inthis situation（）

The user Sue issues this SQL statement: GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION; The user Alice issues this SQL statement: GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement: GRANT SELECT ON sue. EMP TO timber; The user Sue issues this SQL statement: REVOKE select on sue. EMP FROM alice; For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?（） Alice only。 Alice and Reena。 Alice, Reena, and Timber。 Sue, Alice, Reena, and Timber。 酸基的引入会导致外源化学物毒性的增高。 A current System z customer has 10,000 IBM 3490 tape cartridges, most of which are only 10%utilized, in their tape shelf storage adjacent to the computer room. The customer currently has nospace for the new DS8700 that is on order. What should the IBM storage specialist propose as asolution?（） IBM Information Archive 。 TS3500 with LTO-5 drives 。 TS7700 Virtual Tape Server 。 TS3310 with two expansion frame。 带负荷检验零序功率方向继电器接线正确性，这项实验是检查哪个回路接线正确性（）。 电流回路。 电压回路。 电流，电压回路。 Note the following parameters settings in your database: What would happen?（） It will fail because DB_8K_CACHE_SIZE parameter cannot be changed dynamically。 It will be successful only if the memory is available from the auto tuned components。 It will fail because an increase in DB_8K_CACHE_SIZE cannot be accommodated within SGA_TARGET。 It will fail because an increase in the DB_8K_CACHE_SIZE cannot be accommodated within SGA_MAX_SIZE。

You are in the middle of a transaction updating a very important table. The machine on which a database wasrunning reboots because of power outage. This caused a database instance failure. Which statement is true inthis situation（）