The ________ States That No Primary Key Attribute May Be

question 95

Multiple Choice

The ________ states that no primary key attribute may be null.

• A) referential integrity constraint
• B) entity integrity rule
• C) partial specialization rule
• D) range domain rule

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Definitions:

Holding Constant

A method in statistical analysis where specific variables are kept unchanged to isolate the effects of other variables.

Polynomial Model

A type of regression analysis where the relationship between the independent variable and the dependent variable is modeled as an nth degree polynomial.

Predictor Variable

A variable used in-statistical models to predict or estimate the value of an outcome variable.

P Predictor

A variable in a statistical model that is used to predict the outcome of a dependent variable based on its relationship with the predictor.