Which two statements are true about the results of using the INRERSECR operator in
Compound queries?
A.Reversing the order of the intersected tables can sometimes affect the output B.INTERSECT returns rows common to both sides of the compound query C.Column names in each SELECT in the compound query can be different. D.The number of columns in each SELECT in the compound query can be different E.INTERSECT ignores NULIS正确答案BC
