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Introduction to Relational Databases in SQL

Beginner
4.6+
55 reviews
Updated 01/2025
Learn how to create one of the most efficient ways of storing data - relational databases!
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SQLProgramming4 hours13 videos45 exercises3,600 XP154,461Statement of Accomplishment

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Course Description

Explore the Role of SQL in Relational Database Management

There are a lot of reasons why SQL is the go-to query language for relational database management. The main one is that SQL is a powerful language that can handle large amounts of data in complex ways and solve tricky analytical questions. In this course, you will gain an introduction to relational databases in SQL.

Learn how to create tables and specify their relationships, as well as how to enforce data integrity. Additionally, discover other unique features of database systems, such as constraints.

Create Your First Database

You begin the course by creating your first database with simple SQL commands. Next, you’ll learn how to update your database as the structure changes by migrating data and deleting tables.

In the final chapter, you will glue tables in foreign keys together and establish relationships that greatly benefit your data quality. Finally, you will run ad hoc analyses on your new database.

Understand the Basics of Relational Databases

By the end of the course, you will gain a basic yet essential understanding of SQL relational databases. They are widely used in various data science fields (from healthcare to finance) and have consequently become one of the crucial languages for data scientists. If you're interested in deepening your knowledge further, you may be interested in our SQL for Database Administrators, SQL Server Developer, and SQL Server for Database Administrators Tracks.

Prerequisites

Intermediate SQL
1

Your first database

Start Chapter
2

Enforce data consistency with attribute constraints

Start Chapter
3

Uniquely identify records with key constraints

Start Chapter
4

Glue together tables with foreign keys

Start Chapter
Introduction to Relational Databases in SQL
Course
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*4.6
from 55 reviews
73%
18%
7%
0%
2%
  • Vicky H.
    7 days

    High quality course content. The courses break in short videos, quick exercises, reviews, code editor to do very easy to follow, understand & pratice. There're all videos have subtitle in many languagues, especialy in Vietnamese, my native language 👍

  • Leonardo G.
    21 days

    👍

  • Mohamed H.
    22 days

    It was well-structured and contained fruitful content

  • OUMERTOU M.
    26 days

    The explanations in the course were very simple and easy to understand. The exercises were clear and well-designed, making it easy to apply what I learned. Great course

  • Jean M.
    3 months

    A very good course

"High quality course content. The courses break in short videos, quick exercises, reviews, code editor to do very easy to follow, understand & pratice. There're all videos have subtitle in many languagues, especialy in Vietnamese, my native language 👍"

Vicky H.

"👍"

Leonardo G.

"It was well-structured and contained fruitful content"

Mohamed H.

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