A Field That CANNOT Be Blank and And Must Be

question 15

Multiple Choice

A field that CANNOT be blank and and must be unique is called a ________.

• A) primary key
• B) natural key
• C) foreign key
• D) composite key

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Definitions:

Union Administration

The management and operational activities performed by the leadership and staff of a labor union, including contract negotiation, member representation, and organizational governance.

Democratic Institutions

Organizations or systems that are based on the principles of democracy, involving the participation of the population in decision-making processes.

Union Federation

An organization that unites multiple labor unions within a certain region, industry, or country to coordinate collective actions and policies.

Worker Rights

Rights entitled to workers, including fair wages, safe working conditions, freedom to organize and bargain collectively, and protection from discrimination and unjust dismissal.