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

Designing and Creating a Database

This chapter introduces you to the process of designing and creating a database. We'll walk through the guidelines for the naming conventions and learn about the SQL code errors. You will learn how to format SQL code for readability, apply data types, and apply data integrity in your tables. You will also learn about the different types of table relationships and how to build entity-relationship diagrams. You will also learn how to create a database and a table in a database. Going further, we will discuss the concept and usage of indexing. Then, you will gain an understanding of how indexing helps database performance.

In this chapter, we will cover the following topics:

  • Creating a database
  • Understanding table relationships
  • Creating a table in the database
  • Understanding indexes