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

1. What is nzconvert used for?

A) To convert between character encodings before loading data.
B) To convert compressed external tables into ASCII text.
C) To upgrade/downgrade the database to a different software version.
D) To translate stored procedures into NZPLSQL compatible syntax.

2. 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) Columns that contain many nulls.
D) As many columns as possible.

3. What is the function of the Distributed Replicated Block Device (DRBD)?

A) High Availability
B) Work Load Management
C) High Concurrency
D) Load Balancing

4. How does the PureData System for Analytics utilize the distribution key to store records on disk?

A) System assigns records to the host based on their distribution key value.
B) System assigns records to a Netezza Database Accelerator based on their distribution key value.
C) System assigns records to a FPGA based on their distribution key value.
D) System assigns records to a logical data slice based on their distribution key value.

5. A SELECT statement spends all its time returning 1 billion rows. What can be done to make this faster?

A) Use a CURSOR.
B) Use an EXTERNAL table.
C) Increase the PreFetch Count.
D) Use the COPY command.

Solutions: