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Exam Name: PureData System for Analytics v7.0

Question: 1

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 an EXTERNAL table.

C. Use the COPY command.

D. Increase the PreFetch Count.

Answer: B

Question: 2

What function can nzbackup perform?

A. Back up pg.log files.

B. Back up TEMP tables.

C. Back up host data (catalog metadata).

D. Back up the data using the specified number of streams.

Answer: D

Question: 3

nzbackup/nzrestore with the -user option has been replaced with which option to allow multi-level security (MLS) information, such as categories, cohorts, and levels to be backed up/restored?

A. -all

B. -mls

C. -users

D. -globals

Answer: D

Question: 4

When loading a local ASCII file into table via an external table, where can the SQL be submitted?

A. From a User Defined Function.

B. From a JDBC application networked to the system.

C. From nzsql on an AIX machine networked to the system.

D. From nzsql on Microsoft Windows networked to the system.

Answer: B

Question: 5

Which is NOT a function that can be performed by nzbackup?

A. Backup data

B. Backup schemas

C. Backup users/groups

D. Backup the /nz/data directory

Answer: D

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