TRUNC (numbers) is one of the vital Numeric/Math functions of Oracle. It is used to get a number truncated to a certain number of decimal places. The TRUNC (numbers) function is supported in the various versions of the Oracle/PLSQL, including, Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i and Oracle 8i.
Syntax:
TRUNC (number, decimal_places)
Parameters:
number: It is used to specify the numbers to be truncated.
decimal_places: It is an optional parameter which is used to specify the number of decimal places to be truncated to.
Example 1:
TRUNC (10.789)
Output:
10
Explanation:
By default the TRUNC (numbers) function returns the nearest integer value if the decimal_places parameter is not specified.
Example 2:
TRUNC (10.789, 1)
Output:
10.7
Explanation:
The TRUNC (numbers) function returns the value truncated to the mentioned decimal_places.
Example 3:
TRUNC (225.789, -1)
Output:
220
Explanation:
The TRUNC (numbers) function returns the value truncated to the mentioned decimal_places.
