This is out first of many tutorial in the PL/SQL series. Today we will be discussing about variables and coonstants in PL/SQL.
PL/SQL stands for Procedural Language to Structured Query Language. We can use PL/SQL in the Oracle relational databases, in Oracle Server, and in client-side application development tools, such as Oracle Forms.
PL/SQL has features such as :
* Data abstraction
* Data encapsulation
We will be using Oracle 9i, in our tutorials for PL/SQL.