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Interactive Course

Operating on Data in SQL

Find out how to use Data Manipulation Language to insert, update, and delete data from an SQL database.

Table of contents

Interactive exercises

2 h

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151 ratings

Data changes over time. In this course, you will learn how to keep data records current using SQL’s INSERT, DELETE, and UPDATE commands. These three operations represent the basics of DML (Data Manipulation Language, a special set of SQL commands). They give you the power to control the information inside your database.

If you use a relational database, you’ve probably heard about CRUD. That’s an acronym for the most important part of DML operations. This course will explain the meaning of CRUD and help you become a more proficient database user.

You may already know how to retrieve information from a database using SELECT statements. Find out how to take your SQL skills to the next level with this course!

What Do You Need to Take This Course?

Just a web browser and an Internet connection

This Course Will Teach You How To:

  • Manage data in a relational database
  • Insert information into a database
  • Update information
  • Delete information from a database

Plus, you’ll get to practice your skills on 19 interactive exercises.

Who Should Take This Course?

  • Anyone who wants to refresh their knowledge of SQL
  • Analysts who use relational databases
  • Beginning programmers
  • Students taking courses in relational databases
  • Business database users who want to improve their skills

Table of contents


Paid content


Course progress


Exercises completed

1. Introduction

Find out what you'll learn in this course. Get to know tables you'll work with.


Exercises completed

2. How to insert data into a database

First things first. Discover how to enter data into a database.


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3. Modifying data in a database

Learn how to modify data in a database.


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4. Deleting data from a database

Done with your data? Learn how to remove it from a database.


Exercises completed


5. CRUD - the four operations

Learn about the four basic operations each application handling data should have


Exercises completed


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