房地产的最佳使用必须满足（）。 ["法律上允许","技术上可行","经济上合理","功能上完善"]
Your database has experienced a loss of datafile users_01.dbf, which is associated with a ablespace called USERS. The database is still running. Which answer properly describes the rder of the steps that you would use to recover from this error?（） 1.Shut down the database. 2.Take the users_01.dbf datafile offline with the alter database command. 3.Restore the users_01.dbf datafile from backup media with the required archived redo logs. 4.Restore all users tablespace-related datafiles from backup media. 5.Issue the recover tablespace users command. 6.Issue the recover datafile users_01.dbf command. 7.Start up the database. 8.Bring the users_01.dbf datafile online with the alter database command. ["1，3，6，7","2，3，6，8","1，2，3，6，7","1，2，3，6，，7，8","2，3，6，5，7"]
追求感受
所谓房地产的合法权益是指房地产的（）。 ["产权合法","使用合法","处分合法","收益合法"]
The RVPC user can do which of the following？（） [" Register databases if granted the register database privilege"," See all databases in the recovery-catalog schema"," See all database-related metadata in the recovery catalog if they are granted access to that database"," Unregister databases from the RVPC catalog that were not granted to the RVPC catalog owner with the grant command"," Not be connected to with the RMAN command-line catalog parameter for backup or recovery purpose"]
准备工作
