多項(xiàng)選擇題

View this parameter setting in your database：
DB_CREATE_FILE_DEST=’D： \oracle\product\10.2.0\oradata\oracle’
You created a tablespace by using this command：
CREATE TABLESPACE USERS；
Which two statements are true about the USERS tablespace？（）

A.The tablespace has two data files.
B.An error is reported and tablespace creation fails.
C.Data files are created with names generated by the instance.
D.The tablespace can be extended without specifying the data file.
E.Data files belonging to the USERS tablespace cannot be renamed.

你可能感興趣的試題

單項(xiàng)選擇題

Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning，media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday.
What would you do in this situation？（）

A.recover using Oracle Flashback Database technology
B.restore the data files from backup and perform a complete recovery
C.restore only the corrupted data file and perform tablespace recovery
D.restore the data files from backup and perform cancel-based recovery
E.restore the entire database from the most recent backup and start the instance and open the database

單項(xiàng)選擇題

Your database is running under automatic undo management and the UNDO_RETENTION parameter is set to 900 sec. You executed the following command to enable retention guarantee：
SQL> ALTER TABLESPACE undotbs1 RETENTION GUARANTEE；
What effect would this statement have on the database？（）

A.The extents in undo tablespace retain data until the next full database backup.
B.The extents containing committed data in the undo tablespace are never overwritten.
C.The extents which no longer contain uncommitted data in the undo tablespace are not overwritten for at least15 minutes.
D.The extents containing committed data in the undo tablespace are not overwritten until the instance is shut down.

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View this parameter setting in your database： DB_CREATE_FILE_DEST=’D： \oracle\product\10.2.0\oradata\oracle’ You created a tablespace by using this command： CREATE TABLESPACE USERS； Which two statements are true about the USERS tablespace？（）

你可能感興趣的試題

Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning，media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday. What would you do in this situation？（）

Your database is running under automatic undo management and the UNDO_RETENTION parameter is set to 900 sec. You executed the following command to enable retention guarantee： SQL> ALTER TABLESPACE undotbs1 RETENTION GUARANTEE； What effect would this statement have on the database？（）

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View this parameter setting in your database：
DB_CREATE_FILE_DEST=’D： \oracle\product\10.2.0\oradata\oracle’
You created a tablespace by using this command：
CREATE TABLESPACE USERS；
Which two statements are true about the USERS tablespace？（）

Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning，media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday.
What would you do in this situation？（）

Your database is running under automatic undo management and the UNDO_RETENTION parameter is set to 900 sec. You executed the following command to enable retention guarantee：
SQL> ALTER TABLESPACE undotbs1 RETENTION GUARANTEE；
What effect would this statement have on the database？（）