Owner
The owner of the operator function.
Schema of Left Type and Left Type
The data type of the operator's left operand, if any. This option would be omitted for a
left-unary operator.
Schema of Right Type and Right Type
The data type of the operator's right operand, if any. This option would be omitted for a
right-unary operator.
Schema of Operator Function and Operator Function
The function used to implement this operator.