Relational Algebra | Database Management Systems | SNS Institutions
Автор: Ramesh Kalyan G
Загружено: 2026-02-23
Просмотров: 1
Описание:
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In this video, we will learn about Relational Algebra in a very simple and easy way. Relational Algebra is a procedural query language used in Database Management Systems (DBMS). It forms the theoretical foundation of SQL and helps us understand how database queries work internally.
In this session, we will clearly explain the basic operations of Relational Algebra such as Selection, Projection, Union, Set Difference, Cartesian Product, Rename, and Join. Each operation will be explained with simple examples so that you can easily understand how data is retrieved and manipulated from tables. Relational Algebra works on relations (tables) and produces a new relation as the result. You will learn how these operations are used step-by-step to get the required output from a database.
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