ATAN2
ATAN2(x, y) returns the arctangent of x and y.
SQL> select ATAN2(1, -1) from dual;
ATAN2(1,-1)
-----------
2.35619449
SQL>
ATAN2(x, y) returns the arctangent of x and y.
SQL> select ATAN2(1, -1) from dual;
ATAN2(1,-1)
-----------
2.35619449
SQL>