Syntax: SUM([DISTINCT]|[ALL]
SQL> SQL> CREATE TABLE MyProduct 2 ( 3 MAKER VARCHAR (25), 4 MODEL VARCHAR (25), 5 PRICE NUMERIC 6 ); Table created. SQL> SQL> INSERT INTO MyProduct VALUES('CHRYSLER','CROSSFIRE',33620); 1 row created. SQL> INSERT INTO MyProduct VALUES('CHRYSLER','300M',29185); 1 row created. SQL> INSERT INTO MyProduct VALUES('HONDA','CIVIC',15610); 1 row created. SQL> INSERT INTO MyProduct VALUES('HONDA','ACCORD',19300); 1 row created. SQL> SQL> INSERT INTO MyProduct VALUES('FORD','MUSTANG',15610); 1 row created. SQL> INSERT INTO MyProduct VALUES('FORD','LATESTnGREATEST',NULL); 1 row created. SQL> INSERT INTO MyProduct VALUES('FORD','FOCUS',13005); 1 row created. SQL> SQL> SELECT 2 SUM(price) total 3 FROM MyProduct; TOTAL -------- ######## SQL> drop table MyProduct; Table dropped. SQL> SQL>