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TRUNC « Numerical Math Functions « Oracle PL/SQL Tutorial
Oracle PL/SQL Tutorial
Numerical Math Functions
TRUNC
14.26.TRUNC
14.26.1.
TRUNC(x, [y]) gets the result of truncating the number x to an optional y decimal places.
14.26.2.
TRUNC column value
14.26.3.
TRUNC may have a second argument to handle precision: means the distance to the right of the decimal point
14.26.4.
The second argument of TRUNC defaults to 0
14.26.5.
The second argument of TRUNC, precision, may be negative, which means displacement to the left of the decimal point
14.26.6.
TRUNC(5.75)
14.26.7.
TRUNC(5.75, 1)
14.26.8.
TRUNC(5.75, -1) (2)