An Index Created to Support a ____ Constraint Does Not

question 54

Multiple Choice

An index created to support a ____ constraint does not allow any null values in any of the indexed columns,because there is an automatic NOT NULL constraint added to a primary key column.

• A) PRIMARY KEY
• B) FOREIGN KEY
• C) UNIQUE
• D) CHECK

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Definitions:

Annuity

A finance-related product designed to issue a predetermined series of payouts to an individual, typically aimed at serving as an income source for retirement.

Net Present Value

A calculation that compares the present value of cash inflows to the present value of cash outflows over a period of time, used in capital budgeting to assess profitability of investments.

Return on Investment

A performance measure used to evaluate the efficiency or profitability of an investment or to compare the efficiency of several different investments.

Straight-Line Depreciation

A method of allocating an asset's cost evenly throughout its useful life.