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Introduction to Relational Databases in SQL

Beginner
4.5+
52 reviews
Updated 12/2024
Learn how to create one of the most efficient ways of storing data - relational databases!
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SQLSoftware Development4 hours13 videos45 exercises3,600 XP152,743Statement 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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Don’t just take our word for it

*4.5
from 52 reviews
71%
19%
8%
0%
2%
  • OUMERTOU M.
    3 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.
    2 months

    A very good course

  • Ana U.
    2 months

    Excellent course! The material I learned here is very useful. It's important to have this foundation to work with data stored in many tables. I appreciate the courses and the sequential steps to build up a strong knowledge on database management systems.

  • Ileana R.
    3 months

    I think the format of the course is absolutely fantastic! I thoroughly enjoyed doing every single exercise!

  • Mamoon R.
    4 months

    Excellent

"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"

OUMERTOU M.

"A very good course"

Jean M.

"Excellent course! The material I learned here is very useful. It's important to have this foundation to work with data stored in many tables. I appreciate the courses and the sequential steps to build up a strong knowledge on database management systems."

Ana U.

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