单项选择题
View the Exhibit. You want to create a tablespace to contain objects with block size 16 KB. But while
configuring the storage you find that the block size that you can provide is only 8 KB.
Which configuration couldhave enabled the block selection of 16 KB（）
A.Choosing the extent allocation type to uniform
B.Choosing the Segment Space Management option to manual
C.Setting autoextension on for the data file mentioned for the tablespace
D.Setting the DB_16K_CACHE_SIZE parameter for the database instance to a nonzero value
相关考题
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单项选择题
You have issued a SHUTDOWN ABORT command to bring down your database instance. Consider the stepsthat will be performed later when you open the database： 1. SGA is allocated. 2. Control file is read. 3. Redo log files are read. 4. Instance recovery is started. 5. Background processes are started. 6. Data files are checked for consistency. 7. Server parameter file or the initialization parameter file is read. Which option has the correct order in which these steps occur（）
A.7， 1， 5， 2， 3， 6， 4
B.1， 2， 3，7， 5， 6， 4
C.7， 1， 4， 5， 2， 3， 6
D.1， 7， 5， 4， 2， 3， 6 -
单项选择题
The instance abnormally terminates because of a power outage. Which statement is true about redo log filesduring instance recovery（）
A.Inactive and current redo log files are required to accomplish recovery.
B.Online and archived redo log files are required to accomplish instance recovery.
C.All redo log entries after the last checkpoint are applied from redo log files to data files.
D.All redo log entries recorded in the current redo log file until the checkpoint position are applied to data files -
单项选择题
Examine the command： SQL> DBMS_STATS.SET_TABLE_PREFS（’SH’， ’CUSTOMERS’， ’PUBLISH’， ’false’）； Which statementdescribes the effect of the above command（）
A.Automatic statistics collection is stopped for the CUSTOMERS table.
B.Statistics for the CUSTOMERS table are locked and cannot be overwritten.
C.Existing statistics for the CUSTOMERS table become unusable for the query optimizer.
D.Subsequently， statistics gathered on the CUSTOMERS table are stored as pending statistics
