我有两张桌子,table A:
Customer_ID Product Date Of Sale Pay Meth 1 Pay Meth 2 QTY
----------- ------- ------------ ---------- ---------- ---
123 AB 1/1/2012 111 222 1
123 AB 1/1/2012 111 222 1
456 AC 2/1/2012 333 444 1
并且table B:
Customer_ID Product Date Of Sale Pay Meth 1 Pay Meth 2 QTY
----------- ------- ------------ ---------- ---------- ---
123 AB 1/1/2012 111 222 2
456 AB 1/1/2012 124 111 1
我想,这样的客户记录匹配的数据了123在table A被归纳为: …