Data Modeling Concepts

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StaunchElm
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10 Questions

What does an entity represent in a data model?

Real-world objects or concepts for which data is stored

What is the purpose of attributes in a data model?

Provide details about the data within each entity

How do relationships contribute to a data model?

Indicate how entities are related to each other

What do constraints in a data model primarily ensure?

Data accuracy and integrity

In which type of data model are relationships between tables established using keys?

Relational Data Model

What is the purpose of the Entity-Relationship Model in database design?

Represent entities and their relationships

Which data model represents data with objects and methods for operation on the data?

Object-Oriented Data Model

Why is consistency and integrity important in data modeling?

To maintain data consistency and accuracy

What is the key benefit of understanding the structure of data through a data model?

Ensuring efficient retrieval of information

Which model extends the hierarchical model by allowing records to have multiple parent and child records?

Network Data Model

Learn about the key components of a data model, including entities, attributes, and relationships. Understand how data is structured, organized, and represented within a database or information system.

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