IBM P2090-050 Test Passed : IBM PureData System for Analytics Technical Mastery Test v1

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IBM P2090-050 Exam Syllabus Topics:

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

Question 1

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 a WHERE clause.
C. Materialized views can contain aggregates.
D. Materialized views can contain a HAVING clause.
E. Materialized views can contain an ORDER BY clause.

Question 2

When doing a CREATE SEQUENCE, the largest "maximum value" is based onwhat?

A. VARCHAR(256)
B. FLOAT8
C. BIGINT
D. NUMERIC(38,0)

Question 3

The query history data collected DOES NOT provide insight to which of the type of performance and behavior questions?

A. The rotational speed of the disk drives during query execution.
B. The queries submitted by specific users or groups of users.
C. The typical or most common types of queries.
D. The longest and shortest running queries on the system.

Question 4

When creating a table, you can specify a column constraint for each individual column of either "NULL" or "NOT NULL". When column values are later evaluated within a query statement, which of these is true?

A. 0 is not equal to null, the empty string ( '' ) is not equal to null.
B. 0 is not equal to null, the empty string ( '' ) is equal to null.
C. 0 is equal to null, the empty string ( '' ) is equal to null.
D. 0 is equal to null, the empty string ( '' ) is not equal to null.

Question 5

When a poor choice of distribution key is made, what is the impact to storage allocation?

A. Data is likely to generate duplicate sequence values.
B. Data is likely to negatively affect views.
C. Data is likely to be unevenly spread across the system.
D. Data is likely to negatively affect compression.

Solutions: