2009-04-01ãã1ã¶æéã®è¨äºä¸è¦§
ãã©ãã¯ããã¯ã¨ããã¯ãã¼ã¯ã³ã¡ã³ãã¸ã®ãè¿äºã§ãã SQLã«ã¤ã㦠id:hatest ãã ã¿ã¤ãã«ããSQLããããããSQLãã«å¤ããã¨å¥½æ度ãä¸ããã ã¿ã¤ãã«ã®ã¨ããã§ãã è¨èªã¨ãã¦ã¿ãã¨ãã®SQLã¯ãBNFãããã¦ãã®ãããã¾ãªããã§ãªãã¨ããããããâ¦
ä¹ ã ã®æ´æ°ãªã®ã§ã¡ãã£ã¨ã¯åºæ¿çãªãã¨ãæ¸ãã¦ã¿ããä»æã®ããã°ã©ãã«ã¯ãªãã¸ã§ã¯ãæåã¯å¿ é ã常èãã¿ãããªè¨èª¬ã¯ããèãã¾ããããããç ½ãã§ããªãã§ããªããå®ã®ã¨ããç¾å ´ã§ã¯ãã¾ã使ããªããã¨ããã®ãäºå®ã ã£ãããã¾ããããããã©ã¤ãâ¦