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Getting Started with SQL and Relational Databases

Gain insights into using SQL for relational databases. Learn about creating, editing, and managing tables with MySQL, creating indexes, complex queries, and joining tables for optimized data retrieval.

Beginner

62 Lessons

9h 40min

Certificate of Completion

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Explanations

AI-POWERED

Explanations

This course includes

108 Playgrounds

8 Quizzes

Course Overview

What You'll Learn

Course Content

Course Overview

Relational databases store data in a row-based table structure. Structured Query Language (SQL) is a core language used to retrieve data from the relational database. One of its most widely used extensions, MySQL, also gives you the power to edit, create, and manage the queried data. In this course, you’ll be introduced to the basics of relational database management with SQL. You’ll use MySQL to create a table, edit the data, and even change the structure. You’ll also create indexes to quickly access data...Show More

TAKEAWAY SKILLS

Database

SQL

Database Design

Data Extraction

What You'll Learn

Get a strong understanding of relational databases and Structured Query Language (SQL).

Get a working knowledge of creating, managing, and transforming a MySQL data table.

Learn to create and leverage indexes to quickly access data within a database.

Learn to filter, limit, group, and order a database using SQL queries.

Learn to merge multiple tables into a single database using advanced SQL functions.

Get hands-on experience to create, manage, sort, filter, and edit a MySQL database.

Get a strong understanding of relational databases and Structured Query Language (SQL).

Course Content

Getting Started

6 Lessons

Get familiar with SQL, relational database concepts, data modeling, and database design basics.

Overview of the Course

Introduction to Relational Database Management Systems

Data Modeling

Conceptual vs. Actual Model of a Database

Summary

Quiz on the Basics of RDBMS

Manage MySQL Server

4 Lessons

Get started with managing MySQL Server operations and configurations for optimal performance.

Get Started with the MySQL Server

Communicate with the MySQL Server

Summary

Quiz Yourself on Installing and Communicating with MySQL server

Basic SQL Commands

12 Lessons

Break apart SQL basics, including database creation, table management, data operations, and queries.

Introduction to SQL Commands

Create and Select a Database

Create Tables

Insert Data into a Table

Restricting the Specific Rows

Deleting Rows from Tables

Update Rows on a Table

Retrieve Data Using the like Operator

Summary

Quiz on SQL Queries

Challenge: Create a Table

Solution: Create a Table

Add Columns and Indexes

9 Lessons

Break down the steps to add columns and manage indexes in SQL.

Challenge: Create Indexes

Solution: Create Indexes

Count and Sort Records

8 Lessons

Deepen your knowledge of creating, inserting, counting, sorting, and limiting SQL records efficiently.

Create Table Products

Insert Product Data

Sort Results

Limit the Number of Resulting Records

Summary

Quiz on Counting, Sorting, and Limiting Results

Challenge: Limit Records

Solution: Limit Records

Foreign Keys

10 Lessons

Follow the process of creating and maintaining foreign key relationships for data integrity.

Create the orders Table

Insert Data into the orders Table

Unique Order Number

Insert the Wrong Customer Id

Create the order_items Table

Visualize Relationships and a Multicolumn Unique Index

Summary

Quiz on Foreign Keys

Challenge: Apply Foreign Keys to Tables

Solution: Apply Foreign Keys to Tables

Joins, Left Joins And Subqueries

12 Lessons

Practice using joins, left joins, and subqueries to manage and analyze database data.

Introduction to Joins

Delete Unnecessary Data

Insert Necessary Data

Combine Data from Various Tables

Joins with Aggregate Functions

Left Joins

Group-Based Aggregation

Practice Some More Queries

Summary

Quiz on Joins and Subqueries

Challenge: Use Joins to Combine Rows

Solution: Use Joins to Combine Rows

Conclusion

1 Lessons

Get familiar with SQL basics, MySQL fundamentals, and the importance of feedback.

Wrap Up

Course Author

Panagiotis Matsinopoulos

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