TRUNCATE(X,D) returns the number X, truncated to D decimal places. : TRUNCATE « Math Numeric Functions « MySQL Tutorial

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MySQL Tutorial » Math Numeric Functions » TRUNCATE

21. 36. 1. TRUNCATE(X,D) returns the number X, truncated to D decimal places.

If D is 0, the result has no decimal point or fractional part.

D can be negative to cause D digits left of the decimal point of the value X to become zero.


mysql>

mysql> SELECT TRUNCATE(1.223,1);

+-------------------+

| TRUNCATE(1.223,1) |

+-------------------+

|               1.2 |

+-------------------+

1 row in set (0.00 sec)



mysql>

mysql> SELECT TRUNCATE(1.999,1);

+-------------------+

| TRUNCATE(1.999,1) |

+-------------------+

|               1.9 |

+-------------------+

1 row in set (0.00 sec)



mysql>

21. 36. TRUNCATE
	21. 36. 1.	TRUNCATE(X,D) returns the number X, truncated to D decimal places.
	21. 36. 2.	TRUNCATE(1.999,0);
	21. 36. 3.	TRUNCATE(-1.999,1);
	21. 36. 4.	TRUNCATE(122,-2);
	21. 36. 5.	TRUNCATE(10.28*100,0);
	21. 36. 6.	SELECT TRUNCATE(545,-2);

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