input x y;
cards;
1 2
1 3
1 4
2 3
2 4
2 8
3 4
;
run;
proc sql; create table test_a as select
a.x as x_a, b.x as x_b, a.y
from test as a inner join test as b
on a.y=b.y and a.x<b.x;
quit;

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楼主: dengwei715
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2004
4
[问答] 求助,怎么用merge实现下面sql语句的功能 |
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本科生 78%
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