ãããããªæ¬ããã¡ã¢ã£ã¦ããã¡ã¢ã®ã¡ã¢ãåºå ¸ãæ¸ãã¦ããã®ãå¿ãããæãåºã次第è£å®ããããã deleteã®ã³ã¹ãã¯é«ãã®ã§ãç¡å¹åã示ããã£ã¼ã«ããä½ã£ã¦updateãã¹ã slow query logã«è¦æ³¨æ å¤ãã®ã¨ã³ããªã§ã»ã¨ãã©ã®ãã£ã¼ã«ããåãå¤ãæã¤å ´åã¯ã¤ã³ããã¯ã¹ã®å¹æãå°ãã âè¤åã¤ã³ããã¯ã¹ã®å¹æã大ãã è¤åã¤ã³ããã¯ã¹ã¯æå®ã®é çªã大åãAã¨Bã¨ããæå®ã®å ´åãAåç¬ã§ãã¤ã³ããã¯ã¹ã®å¹æããããéã¯çã§ãªãã ã¤ã³ããã¯ã¹ã使ãããå ´é¢ã¯ ãã£ã¼ã«ãå¤ãå®æ°ã¨æ¯è¼ããã¨ã (where name = 'hogehoge') ãã£ã¼ã«ãå¤ã§JOINããã¨ã (where a.name = b.name) ãã£ã¼ã«ãå¤ã®ç¯å²ãæ±ããã¨ã (<,>,between) LIKEå¥ãæååããå§ã¾ãã¨ã (where name like 'hoge%') min(),
{{#tags}}- {{label}}
{{/tags}}