第 35 题 (多选题)： Which two statements are true about the results of using the INTERSECT 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 显示答案