case... when... then...else.. end NVL()

and (case -1 when -1 then NVL(webap.status,0) else 0 end) = NVL(webap.status,0) 

posted on 2011-07-19 12:26  大飞-q4444zpf  阅读(179)  评论(0)    收藏  举报

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