excel:
https://zhuanlan.zhihu.com/p/26121604
1.列查找
=VLOOKUP(A1,I:J,2,0)
excel两个sheet怎么并列查看:
http://jingyan.baidu.com/article/d45ad148f7daee69542b8053.html
excel两个workbook怎么并列查看:
http://jingyan.baidu.com/article/fdffd1f83dc22df3e88ca144.html
2.查找名字重复的数据