NR0-012 Teradata Physical Implementation V2R5
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Note 2: NR0-012 Answers are not shown in demo questions.
Exhibits and Answers are only provided in the Full Version.
Demo Question 6.
As part of an assignment for EliteCertify.com, you run a query against a three year history table. SELECT * FROM Orders WHERE 0_orderdat BETWEEN ?003-07-01[] AND ?003-07-07? Which three statements regarding a NUSI on 0_orderdate are FALSE?
A. Since a full table scan is required anyway, a NUSI will not improve performance
B. A value-ordered NUSI should perform better than a hash-ordered NUSI.
C. A hash-ordered NUSI should perform better than a value-ordered NUSI
D. The value-ordered NUSI rows are stored in row hash order.
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