Overview
Data modeling is a vital process in the field of data management, allowing organizations to visualize and structure their data effectively. By defining entities, attributes, and relationships, data models provide a clear framework for understanding how data interacts within a system. This clarity is...
Key Terms
Example: A 'Customer' entity may have attributes like name and address.
Example: The 'age' of a 'Person' entity is an attribute.
Example: A 'Customer' can place multiple 'Orders', indicating a one-to-many relationship.
Example: Splitting a 'Customer' table into 'Customer' and 'Address' tables.
Example: Ensuring that a customer's address is updated in all relevant tables.
Example: A database schema defines tables, fields, and relationships.
Related Topics
Database Design
The process of defining the structure of a database, including tables, fields, and relationships.
intermediateSQL Queries
Learning how to retrieve and manipulate data in a database using SQL language.
intermediateData Warehousing
The storage of large amounts of data for analysis and reporting, often involving complex data models.
advancedKey Concepts
EntitiesAttributesRelationshipsNormalization