Welcome to “Beginning SQL for Oracle Database 18C”! Thanks for picking up this book.
It’s safe to say you’re interested in learning about Oracle database, as that’s what this
book is about. Why Oracle database, and why this book?
Oracle Database is one of the most popular database management systems in the
world. The website db-engines.com, which ranks the popularity of databases based on
several factors, has Oracle at #1 as of late 2018. It’s used in many large organizations, and
the main competitor is Microsoft’s SQL Server. Learning Oracle SQL will put you in a
good position when looking for a job with any company using an Oracle database.
