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Exception Handling In PL/SQL. Today we will discuss about Exceptions Handling in PL/SQL block As we are already aware about PL/SQL block in my previous blogs so you can easily able to understand Exception Handling  .  Exception Handling can be used in Procedures, functions and sub-programs . So for reference of PL/SQL block and Procedures you can see my below blog. https://dheeraj60.blogspot.com/2020/05/overview-of-plsql-and-its-benefit-in.html   https://dheeraj60.blogspot.com/2020/05/overview-of-plsql-stored-procedure-and.html   First we should understand what is Exception .Exception is an error condition during a program execution , In other word we can say exception is an error which disrupts the normal flow of program instructions. PL/SQL supports developer to catch such errors/condition using EXCEPTION block in the PL/SQL program and can trace action against the error condition. There are Two Types of Exception in PL/SQL 1.     System-Defined Exception 2.     User- Def