资源包括：19道SQL语句查询题目及答案、建表SQL语句、题目相关的表截图。答案中除了包含intersect、except关键词的答案，其余都在MySQL上跑过，确保运行无误（MySQL不支持intersect、except关键词），因为脑细胞死得有些多，资源分不少请大家见谅。
题目如下：
Q:Find all customers who have both an account and a loan at the Perryridge branch.(ps:MySQL不支持intersect运
Doing INTERSECT and MINUS in MySQL Doing an INTERSECT An INTERSECT is simply an inner join where we compare the tuples of one table with those of the other, and select those that appear in both while weeding out duplicates. So 代码如下: SELECT member_id
