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MySQL | ROUND method
schedule Aug 10, 2023
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Tags MySQL
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MySQL's ROUND(~) method returns the input argument rounded to the specified number of decimal places.
NOTE
A value with a fractional part of .5 or greater is rounded up to the next integer if positive or down to the next integer if negative.
Parameters
1. X | number
The number to perform the rounding on.
2. D | number | optional
The number of decimal places to round the input value to. Defaults to 0.
NOTE
This number can be negative to round to digits left of the decimal point. For example, D=-1 would round the number to the nearest tens.
Return value
The input number rounded to the specified number of decimal places.
Examples
To round to zero decimal places (default):
SELECT ROUND(-5.52);
+--------------+| ROUND(-5.52) |+--------------+| -6 |+--------------+
To round to 1 decimal place:
SELECT ROUND(-5.44, 1);
+-----------------+| ROUND(-5.44, 1) |+-----------------+| -5.4 |+-----------------+
To round to -1 decimal place (i.e. nearest tens value):
SELECT ROUND(123, -1);
+----------------+| ROUND(123,-1) |+----------------+| 120 |+----------------+
Published by Arthur Yanagisawa
Edited by 0 others
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Official MySQL Documentation
https://dev.mysql.com/doc/refman/8.0/en/mathematical-functions.html#function_round
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