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我对如何编写一个奇怪的(至少对我而言!)SELECT 语句一无所知。我是 SQL 新手,我什至不确定我想做的事情是否有意义......假设我有给定的表:
ID_NUMBER --------- 1 2 3 5 6 8
有没有什么简单的方法可以从 [1-8] 的序列中返回一个带有 ID_NUMBER 缺失值的表来获得下表?
ID_NUMBER --------- 4 7
任何帮助,将不胜感激!