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

1. Within a single PureData System for Analytics, what is the fastest way to copy a 10TB TableA from DatabaseA to another DatabaseB?

A) Use external tables and UNIX pipes.
B) Use nzbackup and nzrestore commands.
C) Use the COPY command.
D) Use a CTAS (Create Table as Select) SQL statement.

2. Which statement is true about the groom feature?

A) Groom reorders rows based on the DISTRIBUTE ON clause.
B) Groom allows the user to add row level security.
C) Groom allows the user to reorganize tables based on the ORGANIZE ON clause.
D) Groom validates primary key constraints on the table.

3. What is the naming convention for system views?

A) nz_v_...
B) _v_...
C) sys_v_...
D) _$v_...

4. Which condition will interrupt a query running on a fully operational PureData System for Analytics?

A) One power supply fails.
B) One fan fails.
C) Active host fails.
D) One disk fails.

5. Why should you avoid using Boolean data types as a distribution key for a table ?

A) Table will not broadcast.
B) Table will not join.
C) Table is likely to be evenly spread across data slices.
D) Table is likely to be skewed.

Solutions: