回複:是這樣的

本帖於 2004-02-06 15:24:48 時間, 由普通用戶 old-cotton 編輯
回答: Advanced SQL Help Please.TellMe1232004-01-12 10:32:00

Row_Num is supported in Oracle. But most advanced RDBMS no longer support such feature to user. They still existing internally, but we can not retrieve them.

Some times, the pseudo-column, as my last post, is needed to add such feature to application.



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