A Rule That Requires Every Value in a Foreign Key

question 68

Short Answer

A rule that requires every value in a foreign key to match values in the corresponding primary key is called a(n)________ constraint.

---

Definitions:

Equal Space

The provision or allocation of the same amount of physical or metaphorical room to different parties, ideas, or entities.

Central Tendency

Central tendency refers to a central value or a typical value for a probability distribution. It is a measure that attempts to describe a set of data by identifying the central position within that set of data. The most common measures of central tendency are the mean, median, and mode.

Interval Data

Interval data refers to a type of quantitative data that not only categorizes and orders the quantities but also precisely measures the differences between them. Unlike ordinal data, interval data has equal intervals between values, making mathematical operations meaningful.

Ratio Data

A type of quantitative data that possesses a natural zero point and allows for meaningful comparisons using division, enabling measurement of both differences and ratios between data points.