In a Well-Structured Relational Database

question 94

Multiple Choice

In a well-structured relational database,

• A)foreign keys cannot be null.
• B)there must be at least two foreign keys.
• C)every column in a row must be single valued.
• D)one table must be related to all other tables.

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Definitions:

Contingent Liabilities

Potential obligations that may arise in the future due to past events, the occurrence and amount of which are uncertain.

Probable

A term used to describe something that is likely to occur or is likely true.