In a Relational Database Model, a _____ Is a Field

question 53

Multiple Choice

In a relational database model, a _____ is a field in a relational table that matches the primary key column of another table.

• A)secondary key
• B)foreign key
• C)serial key
• D)domain key

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Definitions:

Coupon Rate

Annually, the interest earned on a bond represented as a percentage of its face value.

Premium Bond

Bond prices and interest rates are inversely related; that is, they tend to move in the opposite direction from each other. A fixed-rate bond will sell at par when its coupon interest rate is equal to the going rate of interest, rd. When the going rate of interest is above the coupon rate, a fixed rate bond will sell at a “discount” below its par value. If current interest rates are below the coupon rate, a fixed rate bond will sell at a “premium” above its par value.

Floating Rate Bond

A floating rate bond is a bond with a variable interest rate, which adjusts periodically according to a specified benchmark.

Variable Rate

An interest rate that can change over the period of a loan or mortgage, based on an underlying benchmark interest rate or index.