ã¹ãã³ãµã¼ãããªã³ã¯ ORACLE9iãããWITHå¥ããµãã¼ãããã¾ããã WITHå¥ã§æå®ããSQLã®çµæã¯ãVIEWã®æ§ã«SQLå é¨ããåç §ãããã¨ãã§ãã¾ãã ããã«ãããã¤ã³ã©ã³ã¤ã³ãã¥ã¼ãããå é¨çµåãå¤é¨çµåã使ã£ãè¤éãªï¼³ï¼±ï¼¬ãåãããããè¦ãããã¨ãåºæ¥ã¾ãã æ§æã¯ãWITHãã¼ã¯ã¼ãã®å¾ã«ãå¯ååãSQLçµæã®VIEWåã¨ãASãã¼ã¯ã¼ãã«ç¶ãã¦æ¬å¼§å ã«ï¼³ï¼±ï¼¬ãæå®ãã¾ãã 以ä¸ã®ä¾ã§ã¯ãå¯ååãçµæã®ãview01ãã¨è¡¨ãtable01ããå é¨çµåãã¦ãã¾ãã with view01 as ( select column99 from table99 where column01 = '01' ) select view01.column99, table01.column77 from table01, view01 where table01.column99
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