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IBM

C2090-312 IBM DB2 11 DBA for z/OS

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VendorIBM
CodeC2090-312
Duration90 Minutes
Questions67
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Practice questions are provided in English to match the language commonly used in IT certification exams.

Question 1

Which two options can be specified in order to access a system-period temporal table for a specific point in time guaranteeing accurate results?

Question 2

As part of a health check, it is determined that the statistics feedback should be externalized more frequently. Optimizer statistics recommendations can be immediately externalized to the DB2 catalog by performing what action?

Question 3

Prefetch l/Os are executed under a service request block in which address space?

Question 4

A hotel prices its rooms differently at different times of the year. For example, Room 101 rents for $100 per night January through March, $150 per night April through September, and $80 per night October through December. Which type of table could be used to implement the time-based rate changes?

Question 5

If the OPTHINTS subsystem parameter is set to YES, and you issue the following DB2 command relating to optimization parameter hints: BIND QUERY LOOKUP (YES) what is the result of the execution of this command?