Examlex
The ER model refers to a specific table row as an entity occurrence.
Social Movements
Organized efforts by groups of people to advocate for change or resist social, economic, or political policies, often aiming for societal improvement.
Media Influence
The significant impact or effect that media has on public opinion, perceptions, and behavior.
Political Parties
Political parties are organized groups of people with similar political ideologies and goals, working together to gain political power and influence government policies.
Mass Media Coverage
The dissemination of news and information on a large scale to a wide audience via channels such as television, radio, newspapers, and the Internet.
Q3: Within the database environment,a data model represents
Q10: When a nonkey attribute is the determinant
Q12: A specialization hierarchy can have _ level(s)of
Q12: The _ statement in SQL combines rows
Q16: An exchange-traded fund (ETF)is a bundle of
Q30: Complex _ requirements may dictate data transformations,and
Q39: In a database context,a(n)_ indicates the use
Q39: Specialization is the top-down process of identifying
Q52: Describe a conceptual model and its advantages.What
Q53: Some very specialized applications may require normalization