Examlex
In what two cases are composite primary keys particularly useful?
Marriage Fail
Typically refers to the breakdown of a marriage leading to separation or divorce, often caused by communication issues, unmet expectations, infidelity, or other relational dysfunctions.
High School Sweethearts
Individuals who start dating during their high school years and maintain their relationship beyond graduation.
Occupational Development Theorist
A professional who studies and theorizes about the evolution of individuals' careers and work identities over the life span.
Donald Super
A psychologist known for his theories on careers and vocational development, emphasizing the role of self-concept in occupational choice and satisfaction.
Q14: A composite identifier is a primary key
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Q30: A data model is usually graphical.
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Q74: The DBMS can easily handle multivalued attributes.
Q75: Creating the conceptual design and selecting DBMS
Q80: The conceptual design step that defines entities,attributes,and