# SQL -Structure Query Language

What is SQL ?

* SQL stands for Structure Query Language .
    
* It is a language used to communicate with database .
    

# OPERATORS

1. ARITHIMETIC OPERATOR
    
2. CONCATINATION OPERATOR
    
3. COMPARISION OPERATOR
    
4. RELATION OPERATOR
    
5. LOGICAL OPERATOR
    
6. SPECIAL OPERATOR
    
7. SUB-QUERY OPERATOR
    

## ARITHIMETIC OPERATOR

## CONCATINATION OPERATOR

## COMPARISION OPERATOR

* It is used to compare the values
    

## RELATION OPERATOR

## LOGICAL OPERATOR

* It is used to pass the multiple condition inside the WHERE clause .
    
* Types of Logical Operators.
    
* 1.AND
    
* 2.OR
    
* 3.NOT
    

### AND OPERATOR

AND OPERATOR returns TRUE if both the condition are satishfy .

### OR OPERATOR

OR OPERATOR returns true if any one of the condition satishify .

### NOT OPERATOR

It is an inverse operator

## SPECIAL OPERATOR

OR OPERATOR returns true if any one of the condition satishify

### SUB-QUERY OPERATOR