SQL_multiply_Operator
Objective : multiplication

SELECT ENAME, SAL, SAL * .15
FROM EMP
WHERE JOB='CLERK';

Compare between PostgreSQL and Oracle
 
pOSTGRESQL :

Oracle:

Note the new column name

 

The image on the left was a screen shot from PostgreSQL, where 3rd column-name display was undefined, where Oracle shows the formula  " SAL * .25 " as a column name.