The Database Requirement That Foreign Keys Must Be Null or Have

question 72

Multiple Choice

The database requirement that foreign keys must be null or have a value corresponding to the value of a primary key in another table is formally called the

• A) entity integrity rule.
• B) referential integrity rule.
• C) rule of keys.
• D) foreign key rule.

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Definitions:

Tender of Delivery

The act of presenting goods for acceptance to the buyer and notifying them that the goods are available as per the contract.

Conform to the Contract

The requirement that parties involved in a contractual agreement adhere to the terms set forth within the contract.

Lots

Parcels or portions of land, often used in the context of real estate transactions.

Good Faith Requirement

An obligation for parties to act honestly and not mislead or deceive each other in a contract or legal agreement.