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

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

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

2. Which two characteristics describe materialized views. (Choose two.)

A) Materialized views can reference only onebase table in the FROM clause.
B) Materialized views can contain aggregates.
C) Materialized views can contain an ORDER BY clause.
D) Materialized views can contain a WHERE clause.
E) Materialized views can contain a HAVING clause.

3. Click on the exhibit.

Given the following query: SELECT * FROM TableA, TableB WHERE TableA.c_custkey = TableB.o_custkey;What type of join processing will occur when the query is executed?

A) Distributed hash join processing
B) Collocation hash join processing
C) Broadcast sort merge join processing
D) Replication sort merge join processing

4. In order for an ODBC application running on Microsoft Windows to connect to PureData System for Analytics, which two steps must be performed? (Choose two.)

A) Install nzsql forWindows.
B) Create or modify a Data Source Name (DSN) for a connection to a database.
C) Install an ODBC driver for Windows.
D) Install an ODBC Driver Manager for Windows.
E) Install nzAdmin for Windows.

5. What are two considerations for usage of materialized views? (Choose two)

A) Materialized views are considered for usage by the Optimizer.
B) Materialized views are logical entities.
C) Materialized views may improve query performance.
D) Materialized views are not supported.
E) Materialized views are the same as database views.

Solutions: