You find pockets of empty space in the USER_DATA tablespace 

题目
单选题
You find pockets of empty space in the USER_DATA tablespace due to a lot of DML operations on the objects in the USER_DATAtablespace. The pockets of empty spaces are too small to be reused individually. This is leading to wastage of space. You decide to perform the shrink operation to reclaim the wasted space. Which advisor will you use to determine the objects in the USER_DATA tablespace that are good candidates for the shrink operation?()
A

 SQL Tuning Advisor

B

 SQL Access Advisor

C

 Undo Advisor

D

 Segment Advisor

参考答案和解析
正确答案: D
解析: 暂无解析
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相似问题和答案

第1题:

You are using Recovery Manager (RMAN) for backup and recovery operations with a recovery catalog. You have been taken database backups every evening. On November 15, 2007, at 11:30 AM, you were informed that the USER_DATA tablespace was accidentally dropped.On investigation, you found that the tablespace existed until 11:00 AM, and important transactions were done after that. So you decided to perform incomplete recovery until 11:00 AM. All the archive logs needed to perform recovery are intact. In NOMOUNT state you restored the control file that has information about the USER_DATA tablespace from the latest backup. Then you mounted the database. Identify the next set of commands that are required to accomplish the task? ()

A. A

B. B

C. C

D. D


参考答案:A

第2题:

You have specified the warning and critical threshold values of an application tablespace to be 60% and 70% respectively. From the tablespace space usage metrics, you find that the actual space usage has reached the specified warning threshold value, but no alerts have been generated. What could be the reason for this?()

  • A、 The EVENT parameter was not set
  • B、 The SQL_TRACE parameter is set to FALSE
  • C、 The Enterprise Manager Grid Control is not used
  • D、 The STATISTICS_LEVEL parameter is set to BASIC
  • E、 The TIMED_STATISTICS parameter is set to FALSE

正确答案:D

第3题:

You executed the following commands in a database session:What could have caused the recycle bin to clean up?()

A. There is demand for space from the new table从

B. The undo tablespace does not have sufficient free space

C. The new table name is the same as the table name in the recycle bin

D. The temporary tablespace that is assigned to you does not have sufficient free space


参考答案:A

第4题:

You find pockets of empty space in the USER_DATA tablespace due to a lot of DML operations on the objects in the USER_DATAtablespace. The pockets of empty spaces are too small to be reused individually. This is leading to wastage of space. You decide to perform the shrink operation to reclaim the wasted space. Which advisor will you use to determine the objects in the USER_DATA tablespace that are good candidates for the shrink operation?()

  • A、 SQL Tuning Advisor
  • B、 SQL Access Advisor
  • C、 Undo Advisor
  • D、 Segment Advisor

正确答案:D

第5题:

You are maintaining your OLTP database in Oracle10g. You have not set the warning level and critical level threshold values for space usage of the DATA1 tablespace. What will be the impact?()

  • A、 No warning level or critical level alert will be generated.
  • B、 A warning level alert will never be generated, but a critical level alert will be generated when 97 percent space of the DATA1 tablespace is used.
  • C、 A critical level alert will never be generated, but a warning level alert will be generated when 85 percent space of the DATA1 tablespace is used.
  • D、 A warning level alert will be generated at 85 percent space usage of the DATA1 tablespace, and a critical level alert is generated at 97 percent space usage of the DATA1 tablespace.

正确答案:D

第6题:

USER_DATA is a nonencrypted tablespace that contains a set of tables with data. You want to convert all existing data in the USER_DATA tablespace and the new data into the encrypted format.Which methodswould you use to achieve this?()

A. Use Data Pump to transfer the existing data to a new encrypted tablespace

B. Use ALTER TABLE MOVE to transfer the existing data to a new encrypted tablespace

C. Use CREATE TABLE AS SELECT to transfer the existing data to a new encrypted tablespace

D. Enable row movement for each table to be encrypted and then use ALTER TABLESPACE to encrypt the tablespace

E. Encrypt the USER_DATA tablespace using the ALTER TABLESPACE statement so that all the data in the tablespace is automatically encrypted


参考答案:A, B, C

第7题:

The user HR receives the following error while inserting data into the TTK table: ERROR at line 1:  ORA-01653: unable to extend table HR.TTK by 128 in tablespace SMDUpon  investigation, you find that SMD is a small file tablespace.  Which three action would allow the user to insert data()

  • A、Add a data file to the SMD tablespace.
  • B、Add a data file to the temporary tablespace associated with the user HR.
  • C、Resize the data file associated with the SMD tablespace to make it larger.
  • D、Alter the data file associated with the SMD tablespace to grow automatically.
  • E、Change the segment space management for the SMD tablespace to automatic. n segments is managed through free lists.

正确答案:A,C,D

第8题:

You have 100 segments in the USERS tablespace. You realize that the USERS tablespace is running low on space. You can use Segment Advisor to()。

A. identify the segments that you should shrink

B. modify the storage parameters for the tablespace

C. automatically shrink the segments with unused space

D. check the alerts generated for the tablespace that is running low on space


参考答案:A

第9题:

The user HR receives the following error while inserting data into the TTK table:ERROR at line 1: ORA-01653: unable to extend table HR.TTK by 128 in tablespace SMD Upon investigation, you find that SMDis a small file tablespace. Which three action would allow the user to insert data()

  • A、Add a data file to the SMD tablespace.
  • B、Add a data file to the temporary tablespace associated with the user HR.
  • C、Resize the data file associated with the SMD tablespace to make it larger.
  • D、Alter the data file associated with the SMD tablespace to grow automatically.
  • E、Change the segment space management for the SMD tablespace to automatic

正确答案:A,C,D

第10题:

You are maintaining your database in Oracle10g. You find that the INDEXES index tablespace should be recovered. How will you recover the index tablespace?()

  • A、 by using the Flashback Database feature
  • B、 by using RMAN incomplete recovery
  • C、 by performing a user-managed incomplete recovery
  • D、 by dropping and re-creating the index tablespace

正确答案:D

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