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IBM PureData System for Transactions Technical Mastery Test v1 Sample Questions:

1. You have access to two databases, DEV and PROD. Currently you are connected to the DEV database. Which operation is permitted?

A) Truncate table PROD..TableA
B) Insert into PRO.TableA select * from DEV..TableB
C) Select * from PROD..TableA
D) Delete from PROD..TableA

2. The query history data collected DOES NOT provide insight to which of the type of performance and behavior questions?

A) The longest and shortest running queries on the system.
B) The typical or most common types of queries.
C) The queries submitted by specific users or groups of users.
D) The rotational speed of the disk drives during query execution.

3. Why is table skew important to manage?

A) Low table skew negatively impacts data compression.
B) Low table skew negatively impacts performance.
C) Deleted rows consume disk space until they are freed.
D) High table skew negatively impacts performance.

4. When a poor choice of distribution key is made, what is the impact to storage allocation?

A) Data is likely to negatively affect compression.
B) Data is likely to negatively affect views.
C) Data is likely to be unevenly spread across the system.
D) Data is likely to generate duplicate sequence values.

5. A group has a resource allocation maximum of 50% and the job maximum is set to 1. Two users within this resource group each execute 1 job at the same time, which statement is correct?

A) Each job gets 50% and both run at the same time.
B) Each job gets 25% and both run at the same time.
C) You cannot set the job maximum per resource group.
D) Each job gets 50% but only one job runs at a time.

Solutions: