20 Questions
Which of the following best describes a data model?
A model that organizes elements of data and standardizes how they relate to each other and to real-world entities
What is the corresponding professional activity to data modeling?
Database design
What is the role of a data expert, data specialist, data scientist, data librarian, or data scholar in specifying data models?
To specify data models
How are data models often represented?
In graphical form as diagrams
What is the relationship between data models and function models?
Data models complement function models
Which of the following is NOT a role involved in specifying data models?
Data analyst
What is the purpose of a data model?
To define the properties of real-world entities
In the context of programming languages, a data model can be referred to as a...
Data structure
What is the professional activity that corresponds to data modeling?
Database design
What do data models typically specify?
The structure of data
Which of the following is NOT a characteristic of a data model?
Specifies the color and size of a car
What is the term for the professional activity of specifying data models?
Data modeling
In the context of programming languages, what can a data model be referred to as?
Data structure
What is the role of a data expert, data specialist, data scientist, data librarian, or data scholar in specifying data models?
Data modeling
What is the purpose of a data model?
To standardize data relationships
Which algorithm is used for finding the shortest paths between nodes in a weighted graph?
Dijkstra's algorithm
Who conceived Dijkstra's algorithm?
Edsger W. Dijkstra
What is the more common variant of Dijkstra's algorithm?
Finding shortest paths from a single node to all other nodes
What can Dijkstra's algorithm be used for?
Finding the shortest paths in a weighted graph
What does Dijkstra's algorithm find for a given source node in a graph?
The shortest path to every other node
Test your knowledge on data modeling and its importance in organizing and relating data elements. Explore the key concepts and principles behind data models in this informative quiz.
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