A Combination of One or More Columns Used to Identify

question 72

Multiple Choice

A combination of one or more columns used to identify particular rows in a relation is a ________.

• A)record
• B)field
• C)key
• D)tuple
• E)dependency

Evaluate the effectiveness of different incentive plans in achieving desired outcomes for both individuals and teams.

Understand how to calculate and interpret the results of a t-test for independent means.

Determine the total number of participants in a study based on degrees of freedom.

Calculate the standard error of the difference between two sample means.

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Definitions:

Data Compare Instruction

A command in programming that compares two sets of data or values to determine if they are equal or if one is greater or less than the other.

LESS THAN

A comparative operator that evaluates whether the value on its left is smaller than the value on its right.

EQUAL

A condition or operation in computing and mathematics used to determine if two values or expressions are identical in value.

MOV

An instruction in many assembly languages that moves data from one location to another.