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IBM P2090-050 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Administration and Management | - System administration tasks
|
| Topic 2: Performance and Optimization | - Query and workload optimization
|
| Topic 3: Backup, Recovery and Troubleshooting | - Data protection strategies
|
| Topic 4: Installation and Configuration | - System setup
|
| Topic 5: PureData System for Analytics Overview | - Architecture and core components
|
IBM PureData System for Analytics Technical Mastery Test v1 Sample Questions:
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.
Correct Answer: C 🗳️
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.
Correct Answer: A,C 🗳️
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
Correct Answer: B 🗳️
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.
Correct Answer: B,C 🗳️
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.
Correct Answer: A,C 🗳️
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