Access×Ô¶¯±àºÅ¹éÁ㣨±í²»Îª¿Õ£© - VC/MFC / Êý¾Ý¿â
Access×Ô¶¯±àºÅ¹éÁã ±íΪ¿Õʱ£¬ ¿ÉÒÔͨ¹ýÊÖ¶¯µÄÉèÖÃѹËõʵÏÖ »òÕßͨ¹ýÖ´ÐÐÈçÏÂSQLÓï¾äʵÏÖ ALTER TABLE tableName ALTER COLUMN OrderId COUNTER (1, 1) µ«ÊÇ ±í²»Îª¿Õ ÊÇ·ñ¿ÉÒÔ´¦Àí£¬¿ÉÒԵϰ£¬ÊÇÈçºÎ´¦ÀíÄØ
ALTER TABLE tableName ALTER COLUMN OrderId COUNTER (1, 1) ±í²»Îª¿ÕÒ²¿ÉÒÔ´¦Àí£¬²»¹ýÄãÓÐÊý¾ÝʱӦ¸Ã²»ÄܹéÁã°É¡£ Èç¹û¹éÁ㣬ÒÔºó±àºÅÒ²»á´Ó1¿ªÊ¼£¬Ò»°ã×Ô¶¯Ôö³¤µÄ×ֶζ¼ÊÇÖ÷¼ü£¬²»ÔÊÐíÖØ¸´µÄ£¬ÕâÑù±àºÅ»áÖØ¸´ÁË. ÎÒÏÖÔÚµÄÊý¾Ý ID ±àºÅÊÇ´Ó4001µ½4100£¬ È»ºóÎÒÏëÈñàºÅ±ä³É 1 - 100£¬Õâ¸öÈçºÎʵÏÖÄØ ͬʱ Èç¹ûɾ³ýÁËÖмäÒ»Ìõ¼Ç¼ºó£¬ ±àºÅÒ²×Ô¶¯°³Ë³ÐòÖØÐÂÉèÖà ±ÈÈçÏÖÔÚ±àºÅ£º1 - 100 £¬É¾³ý ÁË80£¬ÄÇô еıàºÅÓ¦¸ÃΪ1 - 99 ÎÊÌâÊÇÄã°Ñ±àºÅ±ä³É´Ó1¿ªÊ¼£¬ÒÔºó²åÈë¼Ç¼µ½ÁË4000Ìõ£¬»¹ÊÇÓбàºÅ4001-4100µÄ±àºÅ£¬ ²»ÊÇÖØ¸´ÁË¡£ÒýÓà ÎÊÌâÊÇÄã°Ñ±àºÅ±ä³É´Ó1¿ªÊ¼£¬ÒÔºó²åÈë¼Ç¼µ½ÁË4000Ìõ£¬»¹ÊÇÓбàºÅ4001-4100µÄ±àºÅ£¬ ²»ÊÇÖØ¸´ÁË¡£ ÄãµÄÒâ˼ÊÇ˵û°ì·¨Á衃 ÎÒ¾ÍÊÇÏëÎÊÓÐûÓа취½«4001-4100µÄ±àºÅ¸Ä³É1 - 100µÄ±àºÅ °´ÕÕÄãµÄ»Ø´ð¾ÍÊǸijÉÁË1 - 100£¬4001 - 4100 µÄ±àºÅÒ²»¹´æÔÚ£¿ ÊÇ¡£Äã¿ÉÒÔÏȰÑID¸ÄµôÔÙ¸ÄIDµÄÖÖ×ÓÒýÓà ÊÇ¡£Äã¿ÉÒÔÏȰÑID¸ÄµôÔÙ¸ÄIDµÄÖÖ×Ó Õâ¸öÈçºÎ´¦ÀíÄØ ͨ¹ýsqlÓï¾äʵÏÖ ÓÃsql update ³ý·Ç²»ÊÇ×Ô¶¯±àºÅ£¬²»È»Ã»Ï·¡£ 1)ÏȽ«¼Ç¼¸´ÖƵ½Ò»ÕÅÁÙʱ±íÖÐ 2)Çå³ýÔ±í¼Ç¼£¬ÖØÖÃ×Ô¶¯±àºÅ 3)ÔÙ½«¼Ç¼´ÓÁÙʱ±í¸´ÖƽøÀ´£¨¸´ÖÆÊ±²»°üÀ¨×Ô¶¯±àºÅ£¬
Ïà¹ØÎÊ´ð£º
´íÎóÌáʾ£º Error creating bean with name 'DAOProxy' defined in class path resource [appcontext.xml]: Cannot resolve reference to bean 'transactionManager' while setting bean property 'transactionMana ......
oracle ´úÂ룺 select * from (select * row_number() over ( partition by ÁªÏµºÅÂë order by ÒµÎñºÅÂë ) rn from ºÅÂë²éѯ) where rn<2 Ч¹ûÊÇ£º½« ijһָ¶¨×ֶΠɾ³ýÖØ¸´µÄºÅÂ룬²¢±£Áô¸ÃºÅÂëÏà¹ØµÄÆäËûÐ ......
ÓÃVB³ÌÐòÖн«excelµÄÎļþ·ÅÔں͹¤³Ìͬһ¸öÎļþ¼ÐÖУ¬µ¼ÈëʱûÓдíÎ󣬵«ÔÚ±ðµÄĿ¼Ïµ¼Èë¾Í»á³öÏÖ´íÎó Ìáʾ£º Ö÷¹Ø¼ü×ÖÖØ¸´£¨Õâ¸öÅжÏÎÒÔÚ³ÌÐòÖмÓÁË£¬ÔÚºÍACCESSͬһĿ¼ÏÂʱû³öÏÖ´íÎó£© Common ......
ÎÒÏë´ÓAccess µ¼³öÊý¾Ýµ½DB2£¬ ±ÈÈç˵Access±íÖÐÓÐ3ÌõÊý¾Ý£¬ÎÒÒªµ¼ÈëDB2£¬²¢ÇÒҪɾ³ý¡£ µ«ÊDzåÈë3ÐпÉÒԳɹ¦£¬É¾³ýÖ»ÄÜɾ³ý1ÐУ¬²¢ÇÒµÚÒ»ÐÐɾ³ý3±é£¨ÒòΪÓÐ3ÌõÊý¾Ý£©¡£ ´úÂëÈçÏ£º¿ÒÇë¸÷λ¸ßÊÖÖ¸µãÒ»¶þ£¬Ð¡µÜ¸Ð¼¤²»¾ ......