單項選擇題

Your database contains two temporary tablespaces named TEMP and TEMP1. The TEMP tablespace is the default temporary tablespace for the database， and the TEMP1 tablespace was created at database creation. You want to increase the size of the tempfile for the TEMP tablespace and drop the TEMP1 tablespace from the database. The database is not using Oracle-Managed Files （OMF）. Which statement must you use to ensure that when you drop the TEMP1 tablespace from the database， its corresponding operating system file is also deleted？（）

A. DROP TABLESPACE temp1；
B. DROP TABLESPACE temp1 INCLUDING CONTENTS；
C. DROP TABLESPACE temp1 INCLUDING CONTENTS AND DATAFILES；
D. DROP TABLESPACE temp1 INCLUDING CONTENTS CASCADE CONSTRAINTS；

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單項選擇題

Your database is in NOARCHIVELOG mode. The database has three online redo log groups， and each group contains three online redo log members. The online redo log members are stored across three hard disks， E， F， and G， respectively. Hard disk G crashed while the LGWR background process was writing redo information to the online redo log files. What effect will this crash have on the database？（）

A. The database will operate normally without generating any redo.
B. The database will hang， and you must shut down and restart the instance.
C. The database will crash， and you must recover the database from the point of failure.
D. The database will operate normally and will generate minimal redo for the tables created with the NOLOGGING clause.

單項選擇題

At database startup， you discover that one of the disks containing an index tablespace has been lost due to a media failure. A backup of the lost index tablespace is not available. You have all the necessary scripts to recreate the indexes. You need to re-create the indexes in a new index tablespace. Which action must you perform before re-creating the indexes？（）

A. Start the database in OPEN mode， and create a new index tablespace.
B. Start the database in OPEN mode， and drop the lost index tablespace from the database.
C.Start the database in MOUNT mode， create a new index tablespace， and drop the lost index tablespace from the database.
D. Start the database in MOUNT mode， drop the lost index tablespace from the database， open the database， and create a new index tablespace.

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