The Entity Integrity Rule States That

question 75

Multiple Choice

The entity integrity rule states that:

• A) no primary key attribute can be null.
• B) referential integrity must be maintained across all entities.
• C) each entity must have a primary key.
• D) a primary key must have only one attribute.

Learn about the sensory and cognitive changes that occur with aging.

Appreciate the continued brain development and adaptation in older adulthood.

Understand the physiological changes in the brain associated with aging.

Identify the impact of sensory losses on cognition and behavior in older adults.

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Definitions:

Plastic Repair

The process of repairing or restoring plastic materials, often involving techniques like welding, filling, or reshaping.

Ureter

A tube that carries urine from the kidney to the bladder, part of the urinary tract system.

Urinary

Relating to urine or the organs of the urinary system, which includes the kidneys, ureters, bladder, and urethra.

Acidity

A measure of the concentration of hydrogen ions in a solution, reflecting its ability to donate protons and determining its pH level.