SQL

1. By : Dhirendra Chauhan

2. Numeric
Functions

3. ABS() Function
“The ABS() function returns the absolute
(positive) value of a number”
Syntax :
Select ABS(number);
Example
Select ABS(-9);
Output: 9

4. CEIL( ) / CEILING( ) Function
“The CEIL() function returns the smallest integer
value that is bigger than or equal to a number.”
Syntax
SELECT CEIL(number);
Example
SELECT CEIL(25.75);
Output : 26

5. Example
SELECT CEIL(25.75);
SELECT CEIL(25.00);
SELECT CEIL(-25.01);
SELECT CEIL(-25.99);
Output
26
25
-25
-25

6. FLOOR( ) Function
“The FLOOR() function returns the largest integer
value that is smaller than or equal to a number.
Syntax
SELECT FLOOR(number);
Example
SELECT FLOOR(25.75);
Output : 25

7. Example
SELECT Floor(25.75);
SELECT Floor (25.00);
SELECT Floor (-25.01);
SELECT Floor (-25.99);
Output
25
25
-26
-26

8. MOD( ) Function
“The MOD() function returns the remainder of a number
divided by another number.”
Syntax
SELECT MOD( M , N );
Example
SELECT MOD(18, 4);
Output : 2

9. POW( )/ POWER() Function
“The POW() function returns the value of a number raised to
the power of another number.”
Syntax:
SELECT POW(x, y);
Example
SELECT POW(4, 2);
Output :
x y
4 2
4 * 4 = 16

10. ROUND() Function
The ROUND() function rounds a number to a specified
number of decimal places
Syntax:
SELECT ROUND(number, decimals);
Example
SELECT ROUND(135.375, 2);

11. Example output
1. SELECT ROUND (135.375, 3); 135.375
2. SELECT ROUND (135.375, 2); 135.38
3. SELECT ROUND (135.375, 1); 135.4
4. SELECT ROUND (135.375, 0); 135
5. SELECT ROUND (135.375, -1); 140
6. SELECT ROUND (135.375, -2); 100
7. SELECT ROUND (135.375, -3); 0

12. TRUNCATE( ) Function
The TRUNCATE() function truncates a number to the
specified number of decimal places.
Syntax:
SELECT TRUNCATE(number, decimals);
Example
SELECT TRUNCATE(135.375, 2);

13. Example output
1. SELECT TRUNCATE(135.375, 3); 135.375
2. SELECT TRUNCATE(135.375, 2); 135.37
3. SELECT TRUNCATE(135.375, 1); 135.3
4. SELECT TRUNCATE(135.375, 0); 135
5. SELECT TRUNCATE(135.375, -1); 130
6. SELECT TRUNCATE(135.375, -2); 10
7. SELECT TRUNCATE(135.375, -3); 0

14. SQRT() Function
The SQRT() function returns the square root of a number.
Syntax:
SELECT SQRT(Number);
Example
SELECT SQRT(9);
Output : 3

15. SIGN() Function
The SIGN() function returns the sign of a number.
This function will return one of the following:
If number > 0, it returns 1
If number = 0, it returns 0
If number < 0, it returns -1
Syntax Example
SELECT SIGN(Number); SELECT SIGN(255.5);
Output : 1

16. RAND() Function
The RAND() function returns a random number between 0
(inclusive) and 1 (exclusive)
Syntax:
SELECT RAND(Number);
Example
SELECT RAND(5);
Output : 0.4

17. RADIANS() Function
The RADIANS() function converts a degree value
into radians.
Syntax:
SELECT RADIANS(Number);
Example
SELECT RADIANS(180);
Output : 3.14

18. DEGREES( ) Function
“The DEGREES() function converts a value in radians
to degrees.
Syntax
SELECT DEGREES(radians);
Example
SELECT DEGREES(1.5);
Output : 85.95

19. GREATEST() Function
The GREATEST() function returns the greatest value of the
list of arguments
Syntax:
SELECT GREATEST (arg1, arg2, arg3, ...);
Example
SELECT GREATEST(3, 12, 34, 8, 25);
Output : 34

20. LEAST( ) Function
The LEAST() function returns the smallest value of the list
of arguments.
Syntax
SELECT LEAST(arg1, arg2, arg3, ...);
Example
SELECT LEAST(3, 12, 34, 8, 25);
Output : 3

21. THANK
YOU