單項選擇題

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.

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單項選擇題

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.

單項選擇題

You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table？（）

A. You must enable the block change tracking feature.
B. You must have enable the flashback feature.
C. You must use the OMF in your database.
D. You must define the tablespace of the SCOTT.EMP table for automatic segment space management.

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The configuration of the online redo log files is as follows： Based on this configuration， which statement is true？（）

你可能感興趣的試題

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？（）

You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table？（）

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

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

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？（）

You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table？（）