Subtracts the right_operand
from the
left_operand
.
Parameters
left_operand
The left operand, as a string.
right_operand
The right operand, as a string.
scale
This optional parameter is used to set the number
of digits after the decimal place in the result. You can also set the global default scale
for all functions by using bcscale().
Load balance : Server 04
