Database Management System

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Introduction

Relational Algebra is a procedural query language that provides a set of operations to manipulate and retrieve data from relational databases.

  • It works with relations (tables) and applies various operations to return a new relation as a result.

Relational Calculus is a non-procedural query language that focuses on what to retrieve rather than how to retrieve it.

  • It specifies conditions that the result must satisfy without describing the specific steps to obtain the result.

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