IBM Information Management P2090-050

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IBM P2090-050 Exam Syllabus Topics:

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

1. 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

2. Which statement is NOT true regarding the nzload utility?

A) nzload runs on the PureData System for Analytics host.
B) nzload runs on windows.
C) nzload blocks update/delete against the target table.
D) nzload runs on SuSE Linux.

3. When are zonemaps initially created for a table?

A) nzreclaim
B) nzbackup
C) ALTER TABLE ADD ZONEMAPS
D) CREATE TABLE

4. Which two statistical data points are automatically updated when performing an INSERT on a table? (Choose two.)

A) The column histogramstatistics.
B) The number of unique values in each column.
C) The number of NULLs in each column.
D) The number of rows in the table.
E) The minimum and maximum column value information (excluding text columns).

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

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

Solutions: