单选题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?（）A The data in the segment will be compacted but t

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单选题

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?（）

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

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第1题

单选题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？（）AIssue the ALTER TABLE SCOTT.DEPT SHRINK SPACE COMPACT； statement.BIssue the ALTER TABLE SCOTT.DEPT SHRINK SPACE； statement.CIssue the ALTER TABLE SCOTT.DEPT SHRINK SPACE CASCADE； statement.DYou cannot shrink the SCOTT.EMP table.

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第2题

单选题You are performing the shrink operation on the SCOTT.EMP table. You want to perform the same operation on all dependent objects of the SCOTT.EMP table. What is NOT a prerequisite for the operation？（）AYou must enable the row movement on the SCOTT.EMP table.BYou must define the tablespace of the SCOTT.EMP table for automatic segment space management.CYou must use the CASCADE clause in the ALTER TABLE SHRINK SPACE statement.DYou must use the COMPACT clause in the ALTER TABLE SHRINK SPACE statement.

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第3题

单选题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？（）AYou must enable the block change tracking feature.BYou must have enable the flashback feature.CYou must use the OMF in your database.DYou must define the tablespace of the SCOTT.EMP table for automatic segment space management.

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第4题

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？（）ASQL Tuning AdvisorBSQL Access AdvisorCUndo AdvisorDSegment Advisor

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第5题

单选题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?（）A The EMPLOYEES table will be changed to read-only mode during the shrink operation.B The indexes created on the EMPLOYEES table will need to be rebuilt after the shrink operation is over.C The shrink behavior will be cascaded to all dependent segments of the table that support a shrink operation.D Data manipulation language (DML) operations will not be possible on the EMPLOYEES table during the COMPACTION phase of the shrink operation.

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第6题

单选题When shrinking a table segment， you choose to shrink all the indexes for that table using the SHRINK SPACE command. Which clause should you use？（）AINCLUDING DEPENDENCIESBINCLUDING DEPENDENCIES CASCADECCOMPACTDCASCADEENone of the above

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第7题

单选题In one of your online transaction processing （OLTP） applications， users are manipulating and querying a database table simultaneously. From the Segment Advisor， you find that one of the tables is highly fragmented and you want to shrink the table immediately without affecting the currently active queries. Which option would you use with the ALTER TABLE command to achieve this objective？（）A REBUILDB CASCADEC TRUNCATED ROW MOVEMENTE SHRINK SPACE COMPACTF SHRINK SPACE CASCADE

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单选题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?（）A The data in the segment will be compacted but t

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