ãªã©ã¯ã«æ§è½ãã©ãã«ã·ã¥ã¼ãã³ã°ãé£ãããªãããæããçç±ãããã¾ãããªã©ã¯ã«ãã¨ã³ã¿ã¼ãã©ã¤ãºã®å§¿ãåããã®ããã¼ã¸ã§ã³6(1988å¹´)ããã¨è¨ããã¾ããUndoã«åºã¥ããç´°ããè¡ã¬ãã«ããã¯ã¨PL/SQLãæ¯æ´ãå§ããã®ããã®æããã§ãã ãªãã¨20å¹´ã®éãªã©ã¯ã«ã®æ ¸å¿ã¨ã³ã¸ã³ã¯ã»ã¨ãã©å¤åãªãã«ç¶æããã¦æ¥ã¦ãã¾ããRedoãUndoãè¡ã¬ãã«ããã¯ãEnqueueãLatchãShared PoolãCache Bufferãªã©æ§è½ãæ¯é ãããã¹ã¦ã®è¦ç´ ã大ããå¤åãªãã«(ãããå°ãã¥ã¤æ¹åãããªãã)ãã®æ§åããã®ã¾ã¾æã£ã¦ãã¾ãã ãã®ãããã§æ ¸å¿æ¦å¿µã«å¯¾ããç解ãåªãããå°ãªãåªåã ãã§å°é家çãªæ°´æºãç¶æã§ãã¾ãããããéãã¾ã«è¨ãã¨æ ¸å¿çãªæ¦å¿µã«å¯¾ããç解ãååã§ã¯ãªããã°ä½ãåå¼·ãç¶ãã¦ããã¤ã2%ä¸è¶³ãªç¶æ ã«ãªãã¾ãã Dion Cho - Oracle Perfor
{{#tags}}- {{label}}
{{/tags}}