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
Which three statements about performance analysis by SQL Performance Analyzer are true? （） It detects changes in SQL execution plans.。 It produces results that can be used to create the SQL plan baseline.。 The importance of SQL statements is based on the size of the objects accessed.。 It generates recommendations to run SQL Tuning Advisor to tune regressed SQLs.。 It shows only the overall impact on workload and not the net SQL impact on workload.。
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。
心理眩光
A client wants to implement a highly available cluster between two sites. At each site the client has an IBMDS8300.
At each site， the client would like a single node which will be connected through a SAN to the local DS8300but not the remote DS8300.
Which clustering product could be used to provide high availability for this infrastructure？（）
