Which tasks can be performed using SQL functions that a…

Which tasks can be performed using SQL functions that are built into Oracle database ? (Choose
three .)

A.
finding the remainder of a division

B.
adding a number to a date for a resultant date value

C.
comparing two expressions to check whether they are equal

D.
checking whether a specified character exists in a given string

E.
removing trailing, leading, and embedded characters from a character string