The online redo log group configuration for your database is as follows： What will happen if the online redo log file ’ora02/oradata/redo02b.log’is corrupted while working on the database？（） The database will hang.。 The database will be crashed.。 The database will be shut down.。 The LGWR process writes redo log entries to the other redo log member of the Group2 grou。
各类肥料的特点：
The data file belonging to the SYSTEM tablespace is corrupted and no backup of the file is available. How do you recover the data file？（） The data file cannot be recovered.。 The date file can be restored from the SYSTEM auto backup.。 Take thetablespaceoffline，drop，kand re-create it.。 Recovery Manager （RMAN） is used to recover the data file.。 The ALTER DATABSE CREATE DATAFILE..commandis used to recover the data file.。
耐受性定律
You executed the following procedure to collect statistics regarding an index： SQL>ANALYZE INDEX EMP_ID VALIDATE STRUCTURE； Which view will you use to determine whether you need to rebuild the index or not？（） INDEX_STATS。 DBA_INDEXES。 DBA_IND_COLUMNS。 V$OBJECT_USAGE。
In an 8-socket x3950 server， with disks on both nodes， how many ServeRAID 8 adapters are needed to implement RAID？ All disks must be used.（）
