In a Dimension Table, the Primary Keys Are

question 4

Multiple Choice

In a dimension table, the primary keys are

• A)Optional
• B)Foreign keys in the fact table
• C)Required to add the word Dim to the field name
• D)Foreign keys in the dimension tables

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Definitions:

Deleterious Allele

A genetic variant that tends to have a negative effect on the fitness or survival of an organism.

Fixed Genetic Locus

A specific location on a chromosome where the genetic variation has become identical across all members of a population due to evolutionary processes.

Allele

A variant of a gene that occurs due to mutation and is located at an identical location on a chromosome, representing one of two or more possible versions.

Genetic Drift

A mechanism of evolution that results in the change of the frequency of alleles in a population due to random sampling of organisms.