Which statements are true regarding single row functions? (Choose all that apply.)
A.
TRIM : can be used to remove all the occurrences of a character from a string
B.
INSTR : can be used to find only the first occurrence of a character in a string
C.
SYSDATE : returns the database server current date and time
D.
MOD : returns the quotient of a division
E.
CONCAT : can be used to combine any number of values
F.
TRUNC : can be used with NUMBER and DATE values
Explanation: