Welcome to ExamTopics
ExamTopics Logo
- Expert Verified, Online, Free.
exam questions

Exam C2090-600 All Questions

View all questions & answers for the C2090-600 exam

Exam C2090-600 topic 1 question 31 discussion

Actual exam question from IBM's C2090-600
Question #: 31
Topic #: 1
[All C2090-600 Questions]

When choosing the dimensions for an MDC table, poor space utilization can occur due to low cell density. What can cause an MDC table to use much more space?

  • A. The page size is too small.
  • B. The extent size is too small.
  • C. Low cardinality of the dimension(s) chosen.
  • D. High cardinality of the dimension(s) chosen.
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️

Comments

Chosen Answer:
This is a voting comment (?). It is better to Upvote an existing comment if you don't have anything to add.
Switch to a voting comment New
db2tester
4 years, 12 months ago
The good answer is "High Cardinality". Indeed, Columns that are involved in equality or range predicate queries, and especially columns with low cardinalities, show the greatest benefit from clustering dimensions. REFERENCE : https://www.ibm.com/support/knowledgecenter/SSEPGG_11.1.0/com.ibm.db2.luw.admin.partition.doc/doc/c0007238.html
upvoted 1 times
...
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel
Loading ...