SAS数据处理问题，表的合并！

data A;
input no name$ math phy eng;
cards;
9701 wanglei 90 86 79
9702 wanghao 98 97 90
9703 gudexian 87 86 94
9706 zhuming 96 87 86
run;

data B;
input no name$ math phi chem geo;
Cards;
9701 wanglei 90 86 89 76
9702 wanghao 98 97 69 72
9704 zhuzhun 88 76 78 68
9705 chaoyin 64 85 76 66
run;
data C;
   set A(drop=eng) B(drop=chem geo rename=(phi=phy));
run;
data C1;
   set A  B;
run;
请楼主选择参考！