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

2. When creating a table, you can specify a column constraint for each individual column of either "NULL" or "NOT NULL". When column values are later evaluated within a query statement, which of these is true?

A) 0 is equal to null, the empty string ( '' ) is not equal to null.
B) 0 is not equal to null, the empty string ( '' ) is not equal to null.
C) 0 is equal to null, the empty string ( '' ) is equal to null.
D) 0 is not equal to null, the empty string ( '' ) is equal to null.

3. When doing a CREATE SEQUENCE, the largest "maximum value" is based onwhat?

A) NUMERIC(38,0)
B) BIGINT
C) FLOAT8
D) VARCHAR(256)

4. Which is NOT a function of the FieldProgrammable Gate Arrays (FPGA) residing on the Netezza Database Accelerator card?

A) Decompresses
B) Aggregates
C) Restricts
D) Projects

5. Which statement is true?

A) MATERIALIZED VIEWS can be run against EXTERNAL tables.
B) EXTERNAL table data is deleted using the SQL DELETE command.
C) EXTERNAL tables can be used to unload data to a Microsoft Windows directory.
D) GENERATE STATISTICS can be run against EXTERNAL tables.

Solutions: