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IBM P2090-050 Exam Syllabus Topics:

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

1. An ETL/ODBC application is inserting 1 million records in a single transaction against the PureData System for Analytics. 1 million individual INSERT SQL statements are generated. What can make this faster?

A) Set the COMMIT interval to 10,000.
B) Use a COPY command.
C) Use an EXTERNAL TABLE.
D) Increase the Socket Buffer Size.

2. Which two statements are trueabout queries on the PureData System for Analytics Appliance? (Choose two.)

A) Queries are executed in parallel by the host.
B) Queries must be uncompressed by the user and executed in parallel by the host.
C) Queries are compiled into snippets and executed in parallel by the S-Blades.
D) A query is compiled into a snippet which is executed across all available S-Blades.
E) Queries must be compressed before they can be executed.

3. Zone Maps provide what information about a table?

A) The minimum and maximum column values found within an extent.
B) An index pointer to each row's exact location in the base table.
C) The list of unique columnvalues found within an extent.
D) The connection between the map and reduce stages when using MapReduce.

4. Which two statistical data points are automatically updated when performing an INSERT on a table? (Choose two.)

A) The minimum and maximum column value information (excluding text columns).
B) The number of unique values in each column.
C) The column histogramstatistics.
D) The number of NULLs in each column.
E) The number of rows in the table.

5. The PureData System for Analytics implements which level of transaction isolation?

A) Committed read
B) Uncommitted read
C) Serializable
D) Repeatable read

Solutions: