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Advanced SQL & Database Normalization Notes for IT Students

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This document is a complete set of advanced-level notes on Database Management Systems (DBMS) focusing on SQL operations and Normalization. It is designed for Computer Science and IT students preparing for university exams, competitive tests, or technical job interviews. The content is written in a clear, beginner-friendly language and includes practical explanations of key topics such as: SQL Clauses: WHERE, GROUP BY, HAVING Aggregate Functions: COUNT, SUM, AVG, MAX, MIN JOINs: INNER, LEFT, RIGHT, FULL Subqueries and Nested Queries ACID Properties and Transactions Database Indexing Functional Dependencies Normalization (1NF to BCNF) These notes are suitable for: BCA, B.Tech, MCA, and Computer Science students Candidates preparing for jobs like SQL Developer, DBA, and IT Executive Learners enrolled in online courses (Udemy, Coursera, etc.)

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Institution
Database
Course
Database

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Database Notes for Stuvia - Computer & IT Fundamentals
Prepared by: Satyajeet Ray



These notes are designed for students and professionals preparing for Computer Science, IT

exams, or interviews. The content includes essential concepts of database management, SQL

commands, normalization, and more. It is structured in a simple and easy-to-understand format

suitable for beginners.


Table of Contents
1. What is a Database?
2. Database Management System (DBMS) Overview
3. Types of Databases (Hierarchical, Relational, NoSQL)
4. Database Keys (Primary, Foreign, Composite)
5. Normalization Forms (1NF to 3NF)
6. SQL Syntax and Queries (SELECT, INSERT, DELETE)
7. DBMS vs RDBMS
8. Use Cases and Real-world Applications
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Uploaded on
June 12, 2025
Number of pages
2
Written in
2024/2025
Type
OTHER
Person
Unknown

Subjects

  • dbms
  • normalization
  • functional dependency
  • sql notes
  • database management system
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