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IBM P2090-050 Exam Syllabus Topics:

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

1. Given the following query: Select count(*) from TableA; How can you view the query plan without executing the query?

A) Use statistics.
B) Set show_plan = true;
C) Use pg.log file.
D) Use explain.

2. Which is NOT a function that can be performed bynzbackup?

A) Backup schemas
B) Backup users/groups
C) Backup the /nz/data directory
D) Backup data

3. When a temporary table is created, where will the data be stored?

A) On the S-Blades under the swap partition.
B) On the S-Blades under the data partition.
C) Held in physical memory on the S-Blades.
D) Explanation:
QUESTIONNO: 28
What is the limitation on join types with floating-point data types?
A. The system does not have a limitation on floating-point data types.
B. The system cannot perform any type of join on floating-point data types.
C. The system cannot perform afast sort merge join on a floating point data type, but instead must perform a slower hash join.
D. The system cannot perform a fast hash join on a floating point data type, but instead must perform a slower sort merge join.
E) On the host under the /nz/tmp directory.

4. TableA is currently being accessed in a number of long running queries. Which of the following operations is NOT blocked, thus allowing the operation to immediately proceed?

A) DROP TABLE TableA
B) GRANT SELECT ON TableA TO UserA
C) TRUNCATE TABLE TableA
D) ALTER TABLE TableA

5. When are zonemaps initially created for a table?

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

Solutions: