Knowing how to craft SQL queries and navigate your way around a database is an essential skill if are a Database Administrator, System Administrator, or Programmer. This book guides you step-by-step by teaching you how to create databases, populate those databases with data, extract just the data you need, and much more. The book uses plain, clear, and concise language all geared to helped you learn SQL in the easiest manner possible. You can use the SQL queries and concepts found in work on any SQL database including SQL Server, MySQL, PostgreSQL, and Oracle. All but the simplest of computer programs interact with a database. No matter what language you are using you'll eventually need to create, read, update, or delete data from a database. The queries you learn in this book work with any programming language including PHP, Python, Ruby, and more. teaches you how to successfully work with SQL databases and make use of the in your applications. If you need to learn about database programming and the SQL language for your class, this book will be a breath of fresh air and a life saver for you. The author doesn't talk over your head like many professors. You'll be taught step-by-step so you understand the structured query language and be able to pass your tests.