14 Questions
What is data modeling?
The process of creating a specific data model for a determined problem domain
What is an entity in data modeling?
A person, place, thing, or event about which data will be collected and stored
What is a relationship in data modeling?
An association among entities
What is a subschema in data modeling?
The portion of the database by the application programs that actually produce the desired information from the data in the database
What is the relational model in data modeling?
A model that represents a major breakthrough for both users and designers
What is the entity relationship model in data modeling?
A model that represents a graphical representation of entities and their relationships in a database structure
What is the importance of data modeling?
To foster improved understanding of the organization for which the database design is developed
What is data modeling?
The process of creating a specific data model for a determined problem domain
What is an entity in a data model?
A person, place, thing, or event about which data will be collected and stored
What is a subschema in a network model?
It defines the portion of the database by the application programs that actually produce the desired information from the data in the database
What is the relational model?
It was introduced in 1970 by E. F. Codd of IBM
What is the entity-relationship model?
It was introduced in 1976 by Peter Chen
What is a segment in the hierarchical model?
The equivalent of a file system's record type
What is the importance of data modeling?
All of the above
Study Notes
Test your knowledge on data models with this quiz! Learn about the basics of data modeling and how it is used in designing databases. This quiz will cover the different types of data models, their applications, and how they are created. Sharpen your skills and enhance your understanding of data modeling with this interactive quiz.
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