Which type of database commonly organizes data in a row-and-column structure with constraints that enforce associations among datasets?
Relational database
Data lake
NoSQL database
Data mart
A relational database uses structured tables with defined columns and rows to store data. It enforces data integrity with constraints such as primary keys and foreign keys, creating clear links between multiple tables. Non-relational databases and NoSQL databases rely on flexible document or key-value formats, which do not use strict constraints. Data lakes store diverse raw data in various formats, and data marts are specialized subsets designed for focused analytics.
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