When Transforming an ID-Dependent E-R Data Model Relationship into a Relational

question 28

Multiple Choice

When transforming an ID-dependent E-R data model relationship into a relational database design,the referential integrity constraints should allow ________.

• A)parent updates to cascade
• B)child updates to cascade
• C)child deletes to cascade
• D)Both A and B are correct

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Definitions:

Elevated Heart Rate

A condition where the heartbeat is faster than normal, which can be due to various factors, including exercise, stress, or medical conditions.

Pulse Pressure

The difference between systolic and diastolic blood pressure readings, indicative of the health and elasticity of arterial walls.

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels, measured as an indicator of heart health.

Reading

The process of decoding symbols, such as letters or hieroglyphics, to derive meaning, often involving comprehension and interpretation of written or printed material.