You must enable the row movement on the SCOTT.EMP table.
You must define the tablespace of the SCOTT.EMP table for automatic segment space management.
You must use the CASCADE clause in the ALTER TABLE SHRINK SPACE statement.
You must use the COMPACT clause in the ALTER TABLE SHRINK SPACE statement.
第1题:
You added a PHONE_NUMBER column of NUMBER data type to an existing EMPLOYEES table. The EMPLOYEES table already contains records of 100 employees. Now, you want to enter the phone numbers of each of the 100 employees into the table. Some of the employees may not have a phone number available. Which data manipulation operation do you perform?()
第2题:
On Jan 11, 2005 at 2:30 P.M., an erroneous update operation modified all the values of column LASTNAME in the EMPLOYEE table in the Scott schema to an empty string. You are the system administrator, and you want to return the original values in the table. To do so, you decided to flash back the table. Which two options can you use to flash back a table?()
第3题:
You are working in an online transaction processing (OLTP) environment. You realize that the salary for an employee, John, has been accidentally modified in the EMPLOYEES table. Two days ago, the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected?()
第4题:
You added a PHONE_NUMBER column of NUMBER data type to an existing EMPLOYEES table. The EMPLOYEES table already contains records of 100 employees. Now, you want to enter the phone numbers of each of the 100 employees into the table. Some of the employees may not have a phone number available. Which data manipulation operation do you perform?()
第5题:
You executed the following SQL statement to shrink the EMPLOYEES table segment stored in the EXAMPLE tablespace: ALTER TABLE employees SHRINK SPACE CASCADE; Which statement is correct in this scenario?()
第6题:
Only the Flashback Table
Both the Flashback Transaction Query and the Flashback Version Query
Only the Flashback Drop
Only the Flashback Version
第7题:
Implement the IChannelInitializer interface in the service class.
Implement the System.Runtime.Serialization.IFormatterConverter interface in the service class.
Set the BodyStyle parameter of the WebGet attribute on the operation to WebMessageBodyStyle.WrappedResponse.
Set the retum type of the operation to System.ServiceModel.Channels.Message. Use the current WebOperationContext methods to return the data in the required format.
第8题:
You must configure OMF in your database.
You must enable block change tracking feature in your database.
You must enable ROW MOVEMENT feature on the ORDERS table.
You must use the Flashback Version Query before using the Flashback Table feature.
第9题:
You must enable the row movement on the SCOTT.EMP table.
You must define the tablespace of the SCOTT.EMP table for automatic segment space management.
You must use the CASCADE clause in the ALTER TABLE SHRINK SPACE statement.
You must use the COMPACT clause in the ALTER TABLE SHRINK SPACE statement.
第10题:
You must enable the block change tracking feature.
You must have enable the flashback feature.
You must use the OMF in your database.
You must define the tablespace of the SCOTT.EMP table for automatic segment space management.
第11题:
The backup as copy can only be taken to disk
The backup as copy can only be taken to tape
Backup can be performed only when the instance is shutdown
Backup will constitute all used and unused blocks in the database
第12题:
MERGE
INSERT
UPDATE
ADD
ENTER
You cannot enter the phone numbers for the existing employee records.
第13题:
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?()
第14题:
You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?()
第15题:
You created the DEPT table by using the following command: CREATE TABLE scott.dept (deptno NUMBER(3), dname VARCHAR2(15), loc VARCHAR2(15) ) STORAGE (INITIAL 100K NEXT 50K MAXEXTENTS 10 PCTINCREASE 5 FREELIST GROUPS 6 FREELISTS 4);You are required to shrink the DEPT table. While performing the shrink operation, you want to ensure that the recovered space is returned to the tablespace in which the DEPT table is stored. You do not want to shrink the indexes created on the DEPT table. What will you do to shrink the SCOTT.EMP table?()
第16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?()
第17题:
You are performing flashback of the ORDERS table in the Scott’s schema because some important data is deleted in the table by mistake. The SCN number was 771513 at the time of deletion. You issued the following statement to perform Flashback Table: SQL> FLASHBACK TABLE ORDERS TO SCN 771513; What is the prerequisite to perform Flashback Table?()
第18题:
by using Oracle Enterprise Manager
by issuing the FLASHBACK TABLE statement at the RMAN prompt
by issuing the FLASHBACK TABLE statement at the SQL prompt
by issuing the FLASHBACK TABLE statement at the LSNRCTL prompt
第19题:
The data in the segment will be compacted but the high water mark will not be adjusted
The EMPLOYEES table will be changed to read-only mode during the shrink operation
The indexes created on the EMPLOYEES table will need to be rebuilt after the shrink operation is over
The shrink behavior will be cascaded to all dependent segments of the table that support a shrink operation
Data manipulation language (DML) operations will not be possible on the EMPLOYEES table during the COMPACTION phase of the shrink operation
第20题:
Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE COMPACT; statement.
Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE; statement.
Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE CASCADE; statement.
You cannot shrink the SCOTT.EMP table.
第21题:
Because row IDs may change during the flashback operation
Because the object number changes after the flashback operation
Because the rows are retrieved from the recycle bin during the flashback operation
Because the table is moved forward and back to a temporary during the flashback operation
第22题:
SQL Tuning Advisor
SQL Access Advisor
Undo Advisor
Segment Advisor
第23题:
The EMPLOYEES table will be changed to read-only mode during the shrink operation.
The indexes created on the EMPLOYEES table will need to be rebuilt after the shrink operation is over.
The shrink behavior will be cascaded to all dependent segments of the table that support a shrink operation.
Data manipulation language (DML) operations will not be possible on the EMPLOYEES table during the COMPACTION phase of the shrink operation.
第24题:
MERGE
INSERT
UPDATE
ADD
ENTER
You cannot enter the phone numbers for the existing employee records.