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What is Relational Algebra and Database Concepts about?

The document provides an overview of the relational database model and relational query languages. It defines key concepts such as relations, tuples, attributes, schemas, and instances. It describes how to define relations using SQL commands like CREATE TABLE and INSERT, and how to query relations using SQL. It also covers integrity constraints like primary keys, foreign keys, and referential integrity.

Author

8121868677p

Language

EN