出處:; CSDN - 技術(shù)社區(qū) - Oracle 基礎(chǔ)和治理問(wèn)題 如下： SELECT LogID,UserID,LogTime,Url,Description,(case OperateType when OperateType = 0 then '新增'when OperateType＝1 then '修改' else '刪除' end case); FROM LOG ？？？？1. caseSELECT LogID,UserID,LogTime,Url,Description,(case; when OperateType = 0 then '新增'when OperateType＝1 then '修改' else '刪除' end ); FROM LOG 2.DECODE的寫(xiě)法:SELECT LogID,UserID,LogTime,Url,Description, decode(OperateType,0,'新增',1,'修改','刪除') OperationName FROM LOG建議用DECODE的寫(xiě)法