When you try to open your database， you receive the following error： ORA-00205： error in identifying control file Where would you find the details required to resolve this error？（） audit trail。 alert log file。 user trace file。 online trace file。 background trace file。 operating system event viewer。
ISP在网络广告中的基本义务不包括（） 事先审查义务。 事中监控义务。 事后控制义务。 协助调查义务。
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。
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 online redo log files and archived redo log files are required to accomplish the recovery.。 The uncommitted transaction will be committed at the next startup of the database instance.。 The uncommitted transaction is rolled back automatically at the next opening of the database.。 The DBA has to perform the recovery on the database to recover the uncommitted transactio。
田径运动的投掷、器械的出手点和落地点的连线与水平线之间的夹角，通常叫（）。
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?（）
