Book Image

Learn SQL Database Programming

By : Josephine Bush
5 (1)
Book Image

Learn SQL Database Programming

5 (1)
By: Josephine Bush

Overview of this book

SQL is a powerful querying language that's used to store, manipulate, and retrieve data, and it is one of the most popular languages used by developers to query and analyze data efficiently. If you're looking for a comprehensive introduction to SQL, Learn SQL Database Programming will help you to get up to speed with using SQL to streamline your work in no time. Starting with an overview of relational database management systems, this book will show you how to set up and use MySQL Workbench and design a database using practical examples. You'll also discover how to query and manipulate data with SQL programming using MySQL Workbench. As you advance, you’ll create a database, query single and multiple tables, and modify data using SQL querying. This SQL book covers advanced SQL techniques, including aggregate functions, flow control statements, error handling, and subqueries, and helps you process your data to present your findings. Finally, you’ll implement best practices for writing SQL and designing indexes and tables. By the end of this SQL programming book, you’ll have gained the confidence to use SQL queries to retrieve and manipulate data.
Table of Contents (24 chapters)
Section 1: Database Fundamentals
Section 2: Basic SQL Querying
Section 3: Advanced SQL Querying
Section 4: Presenting Your Findings
Section 5: SQL Best Practices


This chapter covered how to design and create a database. We discussed the guidelines regarding naming conventions, understanding SQL code errors, formatting SQL code for readability, and how to apply data types and integrity to your tables.

You learned about the types of table relationships, including one-to-one, one-to-many, and many-to-many relationships. You also learned about entity relationship diagrams, including how to create them and how to understand table relationships in them.

We also discussed indexing, and learned about what it is, how to use it, and what it means for database performance. We also went through the steps of creating a database and table using MySQL Workbench and SQL scripts.

In the next chapter, you will be introduced to importing and exporting data. There are many ways to import and export data in MySQL. You will learn how to import and...