Congratulations on your decision to read this book, Sams Teach Yourself PL/SQL in 21 Days, Second Edition!
If you are new to the Oracle
environment, this book will help you learn and master Oracle’s built-in
procedural language quickly. Knowledge of PL/SQL (Procedural Language/Structured
Query Language) is becoming a fundamental necessity no matter which of
Oracle’s many products you use.
Today, on your first day, you will accomplish these tasks:
Learn what PL/SQL is and why you should master it
Learn how PL/SQL relates to other Oracle products
Learn what resources you need to finish this book
Write your first PL/SQL function
Over the remaining 20 days, you'll delve deeper into the power and
capabilities of this language and learn how to leverage its power in your
applications regardless of whether you are doing client/server programming with
Oracle's tools (such as Developer/2000), using other front-end tools (such
as PowerBuilder), or simply writing some batch jobs that run on the server.
PL/SQL is a procedural language that Oracle developed as an extension to
standard SQL to provide a way to execute procedural logic on the database.
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