When Determining the Size of a Fact Table, Estimating the Number

question 104

Multiple Choice

When determining the size of a fact table, estimating the number of possible values for each dimension associated with the fact table is equivalent to:

• A) determining the number of DDL statements made to create a table.
• B) determining the number of possible values for each foreign key in the fact table.
• C) determining the number of DML statements made to create a table.
• D) determining the number of TRIGGERS used in the database.

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Definitions:

Acid/Base Reaction

A chemical reaction that involves the transfer of protons (H+) between a base (proton acceptor) and an acid (proton donor).

Basicity

A measure of the ability of a substance to accept hydrogen ions (protons), often used to describe the strength of bases.

Formic Acid

The simplest carboxylic acid, with the formula HCOOH, used industrially and as an antiseptic.

Ka

An equilibrium constant for the dissociation of a weak acid into its proton and conjugate base in solution; a measure of acid strength.