Oracle PL/SQL For Dummies
Chapter One
PL/SQL and Your Database
In This Chapter
* Getting to know relational databases
* Understanding database terminology
* Finding out about Oracle
* Using SQL and PL/SQL
* Discovering what PL/SQL is good for
PL/SQL is an extension to the industry-standard SQL language. Oracle
Corporation developed PL/SQL and released the first version in 1991.
PL/SQL is an easy-to-use procedural language that interacts seamlessly with
the Oracle database. Server-side PL/SQL is part of the Oracle database and
needs no explicit installation or licensing.
This chapter introduces you to PL/SQL and provides some basics about relational
databases.
Knowing Just Enough about
Relational Databases
Building a system in Oracle or some other relational database product does
not automatically make it a relational database. Similarly, you can design a
perfectly good relational database and implement it in something other than
a relational database product. We discuss two impor ... read full excerpt from Oracle PL/SQL For Dummies ebook