record with the previous record?
how to use IF statement in SQL, and compare the current
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as long as i know, u can't use if in proc sql;
-veggiedoggie-
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11/06/2009 postreply
11:14:47
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SQL不能比较current and previous record value
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11/06/2009 postreply
11:15:13
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you can use case for if...then...else...if...then...else
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11/06/2009 postreply
11:18:27
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高人呐,我赶紧做笔记,呵呵。
-veggiedoggie-
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11/06/2009 postreply
11:27:00
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说笑了,俺刚古狗来的:)
-:-}---~-
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11/06/2009 postreply
11:30:56
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too complicated.
-小谋-
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11/06/2009 postreply
11:34:53
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没先谢谢人家?
-眼冒金星-
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11/06/2009 postreply
11:56:25