Which two statements are true regarding the GROUP BY clause in a SQL statement? (Choose
two.)
A.
You can use column alias in the GROUP BY clause.
B.
Using the WHERE clause after the GROUP BY clause excludes the rows after creating groups.
C.
The GROUP BY clause is mandatory if you are using an aggregate function in the SELECT
clause.
D.
Using the WHERE clause before the GROUP BY clause excludes the rows before creating
groups.
E.
If the SELECT clause has an aggregate function, then those individual columns without an
aggregate function in the SELECT clause should be included in the GROUP BY clause.