PL/SQL Procedure

Previously I have posted about PL/SQL Block structure , A piece of code that is organized in a properly defined sequence is called a block

PL/SQL provides two types of blocks

Function- A PL/SQL block that performs a task or set of tasks and returns a value

Procedure- A PL/SQL block that performs a task or set of tasks and may or may not return a value

PL/SQL Exceptions

An error that occurs during execution of the program is called exception, Like other programming languages, PL/SQL offers a way to catch these exceptions and handle them.

There are two types of exceptions in PL/SQL

1. System-Defined Exceptions 
2. User-Defined Exceptions 

PL/SQL For Loop

PL/SQL FOR loop is used when we need to execute set of statements for the specific number of times and loop operates between the start and end counter values. The counter is always incremented by one and once the counter reaches to end integer value, the loop terminates

The syntax of PL/SQL FOR Loop is like this

FOR counter_variable IN start value.. end value LOOP

statements to execute 

END LOOP;