You are maintaining your database in Oracle10g. You have set the value of the STATISTICS_LEVEL initialization parameter to TYPICAL and the value of the FAST_START_MTTR_TARGET parameter to 900 seconds. To increase the performance of the database， you want to determine the log file size that should equal the minimum size of all the online redo log files. Which column will enable you to perform the desired task？（）

Youarecreatingacluster.Thetablesintheclusterhavearelati...

单项选择题You are creating a cluster. The tables in the cluster have a relatively uniform distribution of values in the index column and the queries against the clustered table will almost use an equality operator to retrieve the desired row. Which type of cluster will you create？（）

You issued the following command：   ALTER TABLE SCOTT.E...

单项选择题

You issued the following command：  
ALTER TABLE SCOTT.EMP SHRINK SPACE；  
The SCOTT.EMP table is stored in the DATA1 tablespace that has the following properties：  
DATA1 is a read/write tablespace.  
DATA1 is not autoextensible to an unlimited size.  DATA1 is online.  
Segment space management for the DATA1 tablespace is manual.  
You issued the ALTER TABLE SCOTT.EMP SHRINK SPACE； command that generates the following error：  
ORA-10635： Invalid segment or tablespace type  
 What could be the reason for the failure of the command？（）

YouareperformingtheshrinkoperationontheSCOTT.EMPtable.Y...

单项选择题You are performing the shrink operation on the SCOTT.EMP table. You want to perform the same operation on all dependent objects of the SCOTT.EMP table. What is NOT a prerequisite for the operation？（）