In Oracle, when the second value is a 0, the MOD function returns the first value
SQL>
SQL>
SQL> --MOD(1000, 0)
SQL>
SQL> --In Oracle, when the second value is a 0, the MOD function returns the first value
SQL> --(which deviates a bit from the rules of mathematics).
SQL>
SQL> SELECT MOD(1000, 0) AS ZERO_DIVIDE FROM Dual;