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CS403: Introduction to Modern Database Systems

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SQL INNER JOIN

Course Introduction

Course Syllabus

Unit 1: Introduction to Modern Database Systems

1.1: Characteristics of Databases

Before the Advent of Database Systems

Fundamental Concepts and Benefits of a Database

Introduction to Database Systems

1.2: Database Environments

Database Models

Types of Data Models and Data Modeling

Elements of Database Systems

1.3: Classifying Database Management Systems

Classification of Database Management Systems

Comparison of NoSQL Database Management Systems and Models

Classifying Database Management Systems: Regular and NoSQL

Unit 1 Assessment

Unit 1 Assessment

Unit 2: Database Architecture and Date Languages

2.1: Databases and the Three-Schema Architecture

Three-Schema Architecture

Data Modeling and a Framework for Database System Design

2.2: Tables, Views, and Indexes

The Relational Data Model

Relational Databases

Introduction to Relational Databases

Unit 2 Assessment

Unit 2 Assessment

Unit 3: The History of Databases

3.1: Before Computers

A Brief History of Databases

History of Databases

3.2: The Four Revelations

Database Models

Unit 3 Assessment

Unit 3 Assessment

Unit 4: The Entity-Relationship Model

4.1: Why Use an E-R Model?

Conceptual Designs

4.2: E-R Elements and Symbols

The Entity-Relationship Data Model

Entity-Relationships

Data Modeling: Entity-Relationship (E-R)

Data Models

Introduction to the Entity-Relationship Model

4.3: The Enhanced E-R Model

The Enhanced Entity-Relationship Model

Advanced Topics in E-R Modeling

Unit 4 Assessment

Unit 4 Assessment

Unit 5: The Relational Database Model

5.1: The Relational Model at a Glance

The Relational Data Model

The Relational Database Model

5.2: Mapping an E-R Diagram to a Relation

ER Model to Relational Mapping

Integrity Rules and Constraints

Unit 5 Assessment

Unit 5 Assessment

Unit 6: Relational Algebra

6.1: Basic Operations

Relational Algebra

The Relational Database Model

Relational Algebra

6.2: Derived Operations

Relational Algebra and Relational Calculus

SQL Data Manipulation Language

6.3: Set Operations

The Relational Database Model

6.4: Aggregate Functions

The Structured Query Language

Unit 6 Assessment

Unit 6 Assessment

Unit 7: Introduction to Data Normalization

7.1: Defining Normalization

Database Normalization

Normalization

Normalized Database Design

Entity Relationship Diagrams

7.2: Anomalies

Data Anomalies

7.3: Functional Dependencies

Functional Dependencies

7.4: From 1NF to BCNF

Normalizing a Relation to BCNF Based on Functional Dependencies

Unit 7 Assessment

Unit 7 Assessment

Unit 8: Introduction to SQL

8.1: What is SQL?

Introduction to SQL

Another Introduction to SQL

8.2: Data Definition Language (DDL)

SQL Structured Query Language

SQL Tutorial

Drop Table

Alter Table

8.3: Column- and Table-Level Constraints

SQL Tutorial

8.4: Data Manipulation Language (DML)

SQL Tutorial

SQL Insert, Update, and Delete Commands

Unit 8 Assessment

Unit 8 Assessment

Unit 9: Basic Select Statements

9.1: Basic Select Statements

SQL Tutorial

PostgreSQL Tutorial: AND, OR, NOT

9.2: Special Operators

SQL LIKE Operator

SQL BETWEEN Operator

SQL: Using WHERE Clause with NOT LIKE Operator and Escape Character

MySQL SELECT Statement

Select (SQL)

SQL ORDER BY Clause

Unit 9 Assessment

Unit 9 Assessment

Unit 10: The Join Statement

10.1: Introduction

INNER JOIN

SQL Data Manipulation Language

SQL JOINS

Aggregates and JOINs

10.2: Inner Joins

Inner vs. Outer Joins in SQL

SQL INNER JOIN

10.3: Outer Joins

SQL OUTER JOIN

SQL RIGHT JOIN

SQL Full Outer Join

10.4: The Group By Clause

GROUP BY

SQL GROUP BY Clause

10.5: Assessment

SQL Exercises

Unit 10 Assessment

Unit 10 Assessment

Study Guide

CS403 Study Guide

Course Feedback Survey

Course Feedback Survey

Certificate Final Exam

CS403: Certificate Final Exam

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English

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Biology

Chemistry

Mathematics

Physics

Social Science

Economics

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Psychology

Sociology

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CS403: Introduction to Modern Database Systems
Unit 10: The Join Statement
10.2: Inner Joins
SQL INNER JOIN

SQL INNER JOIN

Completion requirements

Review this example of inner joins.

Click on SQL INNER JOIN to open the resource.

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Saylor Academy © 2010-2025 except as otherwise noted. Excluding course final exams, content authored by Saylor Academy is available under a Creative Commons Attribution 3.0 Unported license. Third-party materials are the copyright of their respective owners and shared under various licenses. See detailed licensing information. Saylor Academy®, Saylor.org®, and Harnessing Technology to Make Education Free® are trade names of the Constitution Foundation, a 501(c)(3) organization through which our educational activities are conducted.