不明白lz的意思，是两个不同文件，还是一个文件里的两个不同表格？

希望楼主可以表达的清楚些。。。。如果可以添加问题相关的图片，相信可以让大家更好的理解楼主的问题

using PROC COMPARE procedure. one is base and another is comparison. you can list the difference between the two tables per variable. correct it based on your original docs. 

thank you.