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：
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?（）
第3题：
It can be inferred in lesson four that the most effective way of enhancing your interview performance is to keep practicing.()
第4题：
What does the "allow performance information collection" button do in the Hardware Management Console （HMC） GUI？ （）
第5题：
Which of the following is an advantage of a virtualized server environment？（）
第6题：
Roman control was only effective in（）.
AScotland
BWales
CLondon
DThe southeast of Britain
第7题：
Roman control was only effective in（）.
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：
Which of the following best describes the lock protection provided by DB2 for the current row of a cursor?（）
第10题：
Which two statements are true regarding partitioning in Mysql?（）