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IBM P2090-047 Exam Syllabus Topics:

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

Question 1

Which procedural logic is NOT supported by NZPLSQL?

A. Conditionals (if/else)
B. Returning a scalar result or a result set
C. Looping (while, for)
D. Scrollable Cursors

Question 2

A SELECT statement spends all its time returning 1 billion rows. What can be done to make this faster?

A. Use a CURSOR.
B. Use the COPY command.
C. Use an EXTERNAL table.
D. Increase the PreFetch Count.

Question 3

When a CREATE TABLE AS (CTAS) is performed on a table creating more than 1,000,000,000 rows, which statement is true?

A. Groom will be automatically invoked.
B. Primary key constraints will be checked.
C. Materialized views will be automatically generated.
D. Statistics will automatically be generated.

Question 4

Using a date column as a distribution key may distribute rows evenly across dataslices, why is this a poor choice of a distribution key?

A. Queries on the table will invoke compression on the date columns.
B. Queries on date range may involve processing skew.
C. Queries on the table will invoke compression.
D. Queries on date range will utilize only host processing.

Question 5

What is required to troubleshoot a query?

A. nzevents and the pg.log.
B. nzsql and the ODBC config.
C. nzdumpschema and the execution plan.
D. nzinventory and the dbos.log.

Solutions: