求指点,在合并步里边,是否能加个条件,把数据的最大长度设为新的长度。

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楼主: zhaoping603
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17159
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[原创博文] SAS合并多个数据集时,变量数据被截断。求高手指点 |
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本科生 39%
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回帖推荐Data test1;
x="aaa";
y="bbbbb";
run;
data test2;
x="cccccccccc";
y="ddd";
run;
*** 找出每个字符型变量的最大长度;
proc sql noprint;
select distinct cat(strip(name)," $",max(length)) into : varlen separated by " "
from dictionary.columns
where libname="WORK" and memname in ("TEST1","TEST2") and upcase(type)="CHAR"
group by name;
quit;
%put &varlen;
d ...
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