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

1. What is the limitation on join types with floating-point data types?

A) The system does not have a limitation on floating-point data types.
B) The system cannot perform any type of join on floating-point data types.
C) The system cannot perform a fast hash join on a floating point data type, but instead must perform a slower sort merge join.
D) The system cannot perform a fast sort merge join on a floating point data type, but instead must perform a slower hash join.

2. What is the maximum number of columns you can choose as organizing keys for clustered base table?

A) 8
B) 1
C) 2
D) 4

3. Which is NOT a function of the Field Programmable Gate Arrays (FPGA) residing on the Netezza Database Accelerator card?

A) Aggregates
B) Decompresses
C) Restricts
D) Projects

4. Which statement is true about data flowing in/out of the PureData System for Analytics Appliance?

A) Compressed on the host.
B) Uncompressed on the host.
C) Bypasses the host.
D) Flows through the host.

5. What should be considered when you are asked to select the distribution key columns for a very large fact table?

A) Columns that contain few unique values.
B) Columns used to join to other large tables.
C) As many columns as possible.
D) Columns that contain many nulls.

Solutions: