» Unlabelled » What are two reasons for choosing different columns for the primary index than are defined for the primary key? | Teradata

Friday, 10 August 2012

What are two reasons for choosing different columns for the primary index than are defined for the primary key? | Teradata

A. Join performance.
B. Known access paths.
C. Even data distribution
D. To enforce uniqueness

ANS:A,B

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