You create a CLOB in Oracle through the database's Structured Query Language, or SQL. Using SQL's "ALTER TABLE" statement, you add a CLOB data item to an existing table in your business' database.

Purpose This tutorial shows you how to perform a unit test of your PL/SQL code in Oracle SQL Developer 3.0.

If you want to install Oracle SQL Developer on your Windows computer for free, check if you meet the requirements and then go through the instructions mentioned here.