单项选择题

In which scenario will you create a sorted hash cluster？（）

A. if the application uses queries joining tables only occasionally
B. if the full table scan is executed often on only one table of the clustered tables
C. if the data for all the rows of a cluster key value exceeds one or two Oracle blocks
D. when you want the data to be returned automatically in the chronological order

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单项选择题

You moved the index EMP_NO_INDX from one tablespace to another and then issued the following command to rebuild the index EMP_NO_INDX：
SQL> ALTER INDEX EMP_NO_INDX REBUILD ONLINE；
Which table allows the users to access the EMP_NO_INDX index while performing the rebuild operation？（）

A. Index-organized table
B. Mapping Table
C. Clustered Table
D. Journal Table

单项选择题

The configuration of the online redo log files is as follows：

Based on this configuration， which statement is true？（）

A. The LGWR process concurrently writes the redo log entries to both the members of a group.
B. When a member of a group becomes corrupt， the database crashes.
C. The sizes of the redo01a.log and redo01b.log online redo log members of group Group1 can be different.
D. When redo02a.log and redo02b.log files become corrupt， then the database operations will proceed as normal.

单项选择题

Your database block size is 4 KB. In this database， you are required to create a tablespace with a block size of 8 KB. Which is the prerequisite for creating this tablespace？（）

A. The parameter DB_CACHE_SIZE must be a multiple of 8.
B. The value of the parameter SGA_MAX_SIZE must be increased.
C. The tablespace must be created with a uniform extent size of 8 KB
D. The parameter DB_8K_CACHE_SIZE must be defined in the parameter file.

In which scenario will you create a sorted hash cluster？ （）

相关考题

In which scenario will you create a sorted hash cluster？（）