Help£¡ÈçºÎÅúÁ¿ÐÞ¸ÄmysqlÊý¾Ý¿âÖеÄ×Ö¶ÎÃû
ÏÖÓÐÒ»mysqlÊý¾Ý¿â£¬Êý¾Ý¿âÃûΪcapucivar£¬¸ÃÊý¾Ý¿âÖÐ300ÕÅÊý¾Ý±í£¬ÔÚÕâЩ±íÖÐÓÐÏàͬµÄ×ֶΣ¬±ÈÈçÊÇaid¡£ÏÖÔÚÎÒÏ룬½«ËùÓÐÃûΪaidµÄ×Ö¶ÎÃûÐÞ¸ÄΪbid(×¢Ò⣺ÊÇÐÞ¸Ä×Ö¶ÎÃû)¡£ ÕâÈçºÎʵÏÖ£¬Çó½Ì¸÷λ¸ßÊÖ£¡
µÚÒ»²½£» select TABLE_NAME from information_schema.`COLUMNS` where lower(TABLE_SCHEMA)='capucivar' and lower(COLUMN_NAME)='aid' µÃµ½capucivarÖÐËùÓк¬×Ö¶ÎaidµÄ±íÃû µÚ¶þ²½£º½«Õâ¸öÁÐ±í£¬¸´ÖƵ½£Å£Ø£Ã£Å£Ì±í¸ñÖеģÁÁÐ µÚÈý²½£º£Â£±Ð´È빫ʽ£º="alter table " & A1 & " change aid bid INT;" µÚÈý²½£º¸´ÖÆ£ÂÁУ¬ÌùÈë£Í£Ù£Ó£Ñ£Ì¹¤¾ßÖ´ÐС£ÒýÓà µÚÒ»²½¡¡ ÕâÑùºÃÏñÖ»ÄÜÐ޸ĵÚÒ»¸ö±í°¡¡£ÎÒÏÖÔÚÏëÐ޸ĵÚÒ»²½²éѯ³öÀ´µÄËùÓÐ±í µÚÈý²½£º£Â£±Ð´È빫ʽ£º="alter table " & A1 & " change aid bid INT;" °Ñ£Â£±¸ñµÄ¹«Ê½ÏòÏÂÌí³ä¡£ µÚÈý²½£º¸´ÖÆ£ÂÁУ¬ÌùÈë£Í£Ù£Ó£Ñ£Ì¹¤¾ßÖ´ÐС£ ÍæÊý¾Ý¿âµÄͬѧ£¬Ò»¶¨Òª°Ñ£Å£Ø£Ã£Å£ÌѧºÃ¡£ ½÷Ìý´ó¸ç½Ì»å£¬Ò»¶¨Ñ§ºÃEXCEL¡£µ«ÊÇÓиö´íÎó£¬Âé·³Ò»Æð½â¾öÁ衃 Ìáʾ´íÎóÐÅÏ¢£º #1060 - Duplicate column name 'bid' Ôõô½â¾ö°¡£¬ÄãµÄ±íÖÐÒѾÓÐÁËÒ»¸öbidÁË? Õâ¸öÖ»ÓÐÄã×Ô¼ºÖªµÀÈçºÎ½â¾ö¡£ ллÁË£¡½áÌù
Ïà¹ØÎÊ´ð£º
±àÒëÆ÷£ºC-Free4 mysql µ¥¶À°²×°µÄ£¬ÏÖÔÚΪapache+php+mysql¿ÉÒÔʹÓᣠ×î½üÔÚÁ·Ï°c£¬c++£»ÏëÓÃc£¬c++Á¬½ÓÏÂÎÒµÄmysql£¬ºÃ¶àµØ·½¶à˵mysql.hÕÒ²»µ½¡£¶øÇÒÎÒmysqlûÓÐËùνµÄincludeÎļþ¼Ð°¡¡£ Íü¸ßÊÖÖ¸µãÒ»¶ ......
ÎÒÊÇÐÂÊÖ£¬³õѧMYSQL£¬Óкܶ಻¶®£¬Íû´Í½Ì£¡£¡ ±ÈÈç˵ÎÒн¨Ò»¸öMYSQLÊý¾Ý¿âUSER Êý¾Ý¿âÖÐÓбíLIST È»ºóÎÒÔÚVCÖÐн¨Ò»¸öMFC¶Ô»°¿ò¹¤³Ì£¬È»ºóÎÒÔõôÑù²ÅÄÜÓÃVC»ñµÃÊý¾Ý¿âÖбíµÄÊý¾Ý£¿ Ï£Íû¸ø³ö¾ßÌåµÄ²Ù×÷² ......
ÏÈÉÏ´íÎó ÎÞ·¨Áª½ÓÊý¾Ý¿â java.sql.SQLException: Before start of result set at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:910) at com.mysql.jdbc.ResultSet.checkRowPos(ResultSet.java: ......
ÎÒÔÚÇåÀímysqlµÄʱºò£¬Ò»²»ÁôÉñ½«mysql(¼´dataÀïµÄmysqlÎļþ¼Ð)Êý¾Ý¿â¸øÉ¾µôÁË£¬¸ôÁ˼¸¸öСʱÎÒÖØÆôÁËmysqlÈí¼þ£¬mysql¾Í×Ô¶¯³õʼ»¯ÁËÊý¾Ý¿â£¬µ¼Ö´Óɾ³ýmysqlÎļþ¼Ð¿ªÊ¼µ½ÖØÆôÕâ¶Îʱ¼äµÄÊý¾Ý¶ªÊ§£¬ÄÇλ¸ßÊÖ°ïÏëÏë°ì ......