单选题You have 100 segments in the USERS tablespace. You get an alert that the USERS tablespace is running low on space. You decide to shrink some segments. Which option would you use to determine which segments to shrink?()ASegment Advisor BSQL Tuning Advisor CSQL Access Advisor DSegment Resource Estimation EAutomatic Database Diagnostic Monitor (ADDM)

单选题
You have 100 segments in the USERS tablespace. You get an alert that the USERS tablespace is running low on space. You decide to shrink some segments. Which option would you use to determine which segments to shrink?()
A

Segment Advisor 

B

SQL Tuning Advisor 

C

SQL Access Advisor 

D

Segment Resource Estimation 

E

Automatic Database Diagnostic Monitor (ADDM)


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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?()AREBUILDBCASCADECTRUNCATEDROW MOVEMENTESHRINK SPACE COMPACTFSHRINK SPACE CASCADE