IBM PureData System for Transactions Technical Mastery Test v1: P2090-047 Exam Premium File as PDF & Test Engine

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

1. A table, TableA has one column, ColumnA. The following query can be used to determine the skew of Table A.

A) Select datasliceid, count(*) from TableA group by 1 order by 2;
B) Select distinct(datasliceid) from TableA;
C) Select ColumnA, count(*) from TableA group by ColumnA order by 2;
D) Select distinct (ColumnA) from TableA;

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

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

3. When unloading data via an external table, where can the SQL be submitted?

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

4. What is a benefit of Clustered Base Tables?

A) Replicates base table data.
B) Materializes on disk joins between tables.
C) An alternate way to order a table's data.
D) Increases the performance of load operations.

5. What will prevent a GROOM TABLE command from running on a table named TableA?

A) If there are any active nzloads running against the table TableA.
B) If there are any active updates running against the table TableA.
C) If there are any active selects running against the table TableA.
D) If there are any materialized views on the table Table

Solutions: