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多选题
For which of the following can you use Segment Shrink？（）
A
Heap tables
B
Tables with function-based indexes
C
Indexes
D
Partitions and subpartitions
E
None of the above
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单选题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
add data files to the tablespace B
identify the segments that you should shrink C
modify the storage parameters for the tablespace D
automatically shrink the segments with unused space E
check the alerts generated for the tablespace that is running low on space
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多选题You use the segment advisor to help determine objects for which space may be reclaimed. Which three statements are true about the advisor given by the segment advisor?（）AIt may advise the use of online table redefinition for tables in dictionary managed tablespace.BIt may advise the use of segment shrink for tables in dictionary managed tablespaces it the no chained rows.CIt may advise the use of online table redefinition for tables in locally managed tablespacesDIt will detect and advise about chained rows.EIt may advise the use of segment shrink for free list managed tables.
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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？（）A
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INCLUDING DEPENDENCIES CASCADEC
COMPACTD
CASCADEE
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单选题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
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REBUILDB
CASCADEC
TRUNCATED
ROW MOVEMENTE
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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
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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？（）A
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You must use the COMPACT clause in the ALTER TABLE SHRINK SPACE statement.
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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 the high water mark will not be adjusted B
The EMPLOYEES table will be changed to read-only mode during the shrink operation C
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The shrink behavior will be cascaded to all dependent segments of the table that support a shrink operation E
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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AB
BC
CD
D
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