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

1. Why is table skew important to manage?

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

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

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

3. Which statement about theGROOM TABLE feature is true?

A) GROOM TABLE requires space to make a complete copy of the table.
B) GROOM TABLE allows UPDATE, DELETE, and INSERT operations to occur while groom is in progress.
C) GROOM TABLE only operates on tables that include an ORGANIZE ON clause.
D) GROOM TABLE prevents nzload from adding data while groom is in progress.

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

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

5. When loading a local ASCII file into table via an external table, where can the SQL be submitted?

A) From a JDBC application networked to the system.
B) From nzsql on an AIX machine networked to the system.
C) From nzsql on Microsoft Windows networked to the system.
D) From a User Defined Function.

Solutions: