It is effective only in partition pruning.
It is effective only in partitionwise joins provided that the query predicates are different from the partitioning key.
It is effective in both partition pruning as well as partitionwise joins provided that the query predicates are identical to the partitioning key.
It is effective in both partition pruning as well as partitionwise joins irrespective of whether the query predicates are different from or identical to the partitioning key.
第1题：
A.Tables with BLOB and TEXT columns cannot be partitioned
B.Partitioning allows easier management of smaller data sets for certain queries
C.Partitioning allows different columns to be stored in separate files
D.The partitioning expression is an integer or function that returns an integer value or NULL value
E.Partitioning is only available for those storage engines that implements it natively
第2题：
A. Tape restore utilities
B. Imaging utilities
C. Partitioning utilities
D. Array management utilities
第3题：
Which of the following is often overlooked in achieving effective communication?
A speaking clearly
B listening
C interpreting
D maintaining eye contact
E manipulating the conversation
第4题：
第5题：
Which statement about tunnel bow thrusters fitted to large vessels is TRUE ________．
A.They are effective on most vessels at speeds up to 10 knots
B.Because of their location，most modern installations have as much power as a tug
C.They are fully effective at all drafts
D.When going astern at slow speed，they provide effective steering control
第6题：
A. RAID array management
B. CHKDSK
C. Monitoring agents
D. Partitioning management
第7题：
A.Update antivirus definitions
B.MAC filtering
C.Effective security policies
D.User awareness training
第8题：
A. It is effective only in partition pruning.
B. It is effective only in partitionwise joins provided that the query predicates are different from the partitioning key.
C. It is effective in both partition pruning as well as partitionwise joins provided that the query predicates are identical to the partitioning key.
D. It is effective in both partition pruning as well as partitionwise joins irrespective of whether the query predicates are different from or identical to the partitioning key.
第9题：
In most cases involving spillage of dangerous goods，the most effective response will probably be to ______．
A.attempt to repack dangerous goods
B.close all hatches and doors
C.open all hatches and doors
D.wash the substance overboard or jettison it
第10题：
Using the following information: Performance data from an existing system that a new system will replace; Performance estimates that anticipate future workloads; Micro-partitioning and logical partitioning implementations. Which of the following allows a technical sales representative to create a system design which can be imported into an HMC?（）