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Vendor: IBM
Exam Code: C2090-311
Exam Name: IBM DB2 10.5 DBA for LUW Upgrade from DB2 10.1
Certification: IBM Certified Database Administrator
Total Questions: 30 Q&A
Updated on: Dec 16, 2024
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What does the monitor element POOL_FAILED_ASYNC_TEMP_COL_REQS track?
A. The number of times an attempt to queue a column-organized prefetch request for temporary table spaces was made but failed.
B. The number of times a temporary error occurred while trying to queue a column-organized prefetch request for a regular table space.
C. The number of times DB2 had to retrieve a page from disk for a temporary column-organized table because the page no longer resided in the buffer pool.
D. The number of times an asynchronous read request failed when attempting to read temporary column-organized data from the buffer pool after the page had been flushed to disk.
When does space reclamation for a column-organized table normally occur?
A. Whenever an individual row is deleted.
B. Whenever an individual row is updated.
C. After all rows in an extent have been updated.
D. After all rows in an extent where updates took place have been deleted.
Which type of compression is NOT provided as part of the DB2 Storage Optimization Feature?
A. Row compression
B. Index compression
C. Backup compression
D. Temporary table compression
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