In a Well-Structured Database,the Constraint That Ensures the Consistency of the Data

question 75

Multiple Choice

In a well-structured database,the constraint that ensures the consistency of the data is known as the

• A)entity integrity rule.
• B)referential integrity rule.
• C)unique primary key rule.
• D)foreign key rule.

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Definitions:

Saint Bartholomew's Day Massacre

A targeted group of assassinations, followed by a wave of Catholic mob violence, against the Huguenots (French Calvinist Protestants) in 1572.

Huguenots

French Protestants who followed the Reformed tradition, heavily persecuted in France before being granted rights in the Edict of Nantes in 1598.

Tithe

A tax or levy, traditionally one tenth of a person's income, paid to support the church or clergy.

Duke of Guise

A title in the French nobility, historically significant for its holders' roles in the Wars of Religion and the Catholic League in France.