PL/SQL is a combination of SQL along with the procedural features of programming languages. It was developed by Oracle Corporation in the early 90’s to enhance the capabilities of SQL. PL/SQL is one of three key programming languages embedded in the Oracle Database, along with SQL itself and Java. This tutorial will give you great understanding on PL/SQL to proceed with Oracle database and other advanced RDBMS concepts.
Before proceeding with this tutorial, you should have a basic understanding of software basic concepts like what is database, source code, text editor and execution of programs, etc. If you already have an understanding on SQL and other computer programming language, then it will be an added advantage to proceed.