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沙发

楼主 |
发表于 2009-12-2 12:49:01
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只看该作者
Re: 请教下面的WHERE语句是否有更高效的表达方式
可以优化的,试试下面的语句,":"表示以后面的字符开头
DATA X;
SET Y;
WHERE ZName
in [b:wngfecfj][color=#FF0000:wngfecfj]: [/color:wngfecfj][/b:wngfecfj]( "AZATHIOP", "IMURA", 'AZASAN', "CYCLOSP", "GENGRAF","NEORAL","SANGCYA"
,"SANDIMMU","MYCOPHENOL","ATGAM","THYMOGLOBU","ANTI-THYMO");
run; |
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