Oracle Trunc () function usage -2____ static function

2.TRUNC (for number)
The TRUNC function returns the processed value, which works very much like the round function, except that the function does not round the specified decimal number before or after the appropriate rounding selection.
Its specific syntax format is as follows
TRUNC (Number[,decimals])
which
Number to be intercepted
Decimals indicates the number of digits that need to be retained after the decimal point. Optional, ignore it to intercept all the decimal parts
The following is the use of this function:
TRUNC (89.985,2) =89.98