Relational databases

Databases have become indispensable in our day-to-day life. We deal with data everyday and everywhere. This data is stored in databases. Relational databases store data as collections of tables. Creating a good database design is crucial. This is where ERDs come into play, they can be used to model and design relational databases.

When transforming an ERD into a relational database, you often use an entity to build a database’s:

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