SQL vs. PL/SQL

It’s an interesting question, to be sure. Most people who are familiar with Oracle development wouldn't give it a thought but when you come down to it, it’s sometimes confusing to define the demarcation between SQL and PL/SQL. Through this note let us try to understand the differences between SQL and PL/SQL. You never know, this  might just be the starting point of your next oracle hrms interview questions or oracle payroll interview questions :)