Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

unixODBC°²×°£¨mysql Ubuntu£©


unixODBC°²×°
      Õ⼸ÌìÕæÊÇÓôÃÆËÀÁË£¬»ù±¾Ã¿Ìì¶¼ÔÚ±àÒë°²×°QTºÍunixODBC£¬ÎÞÄÎ×Ü»á³öÏÖЩĪÃûÆäÃîµÄ´íÎó¡£Ê×ÏÈ£¬ÎÒ³ÐÈÏÎÒLinuxÍæµØ²»Ê죬µ«ÕâЩ¿ªÔ´Èí¼þ²úÉÌÖ®¼äµÄ¼æÈÝÐÔҲ̫²îÁ˰ɡ£ËùÒÔ»¹ÊÇÖÆ¶¨¸ö±ê×¼±È½ÏºÃ£¬´ó¼Ò¶¼×ñÊØÒ»¸öÔ¼¶¨¡£´ÓÕâ¸öÒâÒåÀ´Ëµ£¬Î¢ÈíµÄ¢¶Ï£¬»¹ÊÇÓÐÒ»¶¨µÄºÃ´¦µÄ¡£
      ×îÖÕQT»¹ÊÇûÓа²×°³É¹¦£¬´ËǰÓÐÒ»¸ö°æ±¾£¬¾­¹ýСµÄ¸Ä¶¯ÒѾ­ÄܱàÒë°²×°³É¹¦ÁË£¬²»ÖªÎªÊ²Ã´£¬ºóÀ´ÔõôҲ°²×°²»ÉÏ£¬Ôΰ¢¡£ºóÀ´·¢ÏÖ£¬°²×°unixODBC¿ÉÒÔ²»ÆôÓÃQT¹¦ÄÜ£¬ËäȻûÓÐͼÐνçÃæ£¬µ«ºËÐŦÄÜÊÇÓеġ£¿öÇÒ£¬Õâ¸öÇý¶¯¹ÜÀíÆ÷×îÖÕ»¹ÒªÒÆÖ²µ½Ò»¸öǶÈëʽ²Ù×÷ϵͳÉÏ£¬Ï໥ÒÀÀµµÄ×é¼þÔ½¶à£¬×é¼þÒ²Ô½ÄÑÒÆÖ²¡£Ï¸öÐÇÆÚ°ÑunixODBCÒÆÖ²µ½VxWorksÉÏ£¬¹À¼ÆÎÊÌâ²»ÉÙ......
      ½áºÏÍøÂçÉÏÏÂÔØµÄһЩ×ÊÁÏ£¬°Ñ×î½ü¹¤×÷µÄµÄ¶«Î÷×ܽáÏ¡£
      1.°²×°unixODBC×é¼þ£º
      (1).ÔÚubuntuÏ£¬ÀûÓÃÐÂÁ¢µÂÏÂÔØÃüÁºÜÈÝÒ×¾ÍÄܰ²×°unixODBC
      apt-get  install  unixODBC
      (2)ÀûÓÃÔ´Â룬±àÒë°²×°£¨ÎÒÓõİ汾ÊÇunixODBC-2.2.14£©
      # tar vxzf unixODBC-2.2.14.tar.gz
      # cd unixODBC-2.2.14
      # ./configure --enable-gui=no £¨²»ÀûÓÃqt»­½çÃæ£¬Ìí¼Ó--enable-gui=no£©
      # make
      # make install      
      ͨ¹ýÉÏÃæ½éÉܵÄÁ½ÖÖ·½·¨£¬¾Í°ÑunixODBC×é¼þ°²×°³É¹¦ÁË¡£
    2.²âÊÔunixODBC×é¼þÊÇ·ñÄÜÓ㬼´ÊÇ·ñÄÜͨ¹ýÊý¾ÝÔ´·ÃÎÊÊý¾Ý¿â¡£
    (1)°²×°mysql,ͬÑù¿ÉÒÔÀûÓÃÐÂÁ¢µÂÏÂÔØ¹ÜÀí¹¤¾ß¡£
        apt-get install mysql-server  mysql-client      
    (2)×¢Ò⣺°²×°mysqlºó£¬²¢Ã»Óа²×°mysqlµÄodbcÇý¶¯£¬Òò´Ë£¬»¹ÐèÏÂÔØ¶ÔÓ¦µÄÇý¶¯
       apt-get install libmyodbc
    (3)дÅäÖÃÎļþ£¬½¨Á¢×Ô¼ºµÄÊý¾ÝÔ´
      UNIXODBCµÄÅäÖÃÎļþÖ÷ÒªÊÇusr/local/etc/odbcinst.iniÒÔ¼°usr/local/etc/odbc.ini¡£Ç°ÕßÓÃÓÚÅäÖÃÇ


Ïà¹ØÎĵµ£º

ÈçºÎÐÞ¸Ämysql rootÃÜÂë

   Íü¼ÇMySQL(ºÍPHP´îÅäÖ®×î¼Ñ×éºÏ)
ROOTÃÜÂëÊÇÔÚMySQL(ºÍPHP´îÅäÖ®×î¼Ñ×éºÏ)ʹÓÃÖкܳ£¼ûµÄÎÊÌ⣬¿ÉÊÇÓкܶàÅóÓѲ¢²»»áÖØÖÃROOTÃÜÂ룬Äǽпడ£¬ÎÒÓÐÉîÓид¥£¬ÌØÐ´´ËÎÄÕÂÓë´ó¼Ò½»Á÷£º
1¡¢±à¼­MySQL(ºÍPHP´îÅäÖ®×î¼Ñ×éºÏ)ÅäÖÃÎļþ£º
windows»·¾³ÖУº%MySQL(ºÍPHP´îÅäÖ®×î¼Ñ×éºÏ)_installdir%\my.ini¡¡//Ò»°ã ......

±à¼­MYSQLʱ³ö´í£ºNo curses/termcap library found

»·¾³£ºCentOS linux 5.2
ϵͳֻ°²×°VI±à¼­Æ÷Ó뿪·¢¹¤¾ß
 
Ôڱ༭MYSQLʱ£º
#./configure --prefix=/usr/local/mysql --with-charset=gb2312  --with-extra-charsets=all 
Ö´Ðкó³öÏÖÈçÏ´íÎó£º
checking for tgetent in -ltermcap… no
checking for termcap functions library… config ......

windowsÏÂÖØÉèmysqlµÄrootÃÜÂë

  ×î½üÒòΪÍüÁËmysqlµÄrootÃÜÂ룬ÉÏÍøGoogleһϣ¬ÏÖÔڰѲ½Öè¼Çһϣ¬·ÀÖ¹ÒÔºóÍüÁË¡£
ÎÒÓõÄÊÇxamppÈí¼þ°ü¡£
1.  Í£Ö¹mysql
2.  ´ò¿ªcmd£¬Çл»Ä¿Â¼µ½ \xampp\mysql\bin, ÔËÐÐ
   mysqld -skip-grant-tables
   ÕâÌõÃüÁîÊÇÌø¹ýȨÏÞ¼ì²éÆô¶¯mysql·þÎñ
3. ´ò¿ªÁíÒ»¸öcmd£¬Í¬ÑùÇл»Ä¿ ......

Mysql ·ÖÇøÏà¹Ø×ÊÔ´


Mysql ·ÖÇøÏà¹Ø×ÊÔ´
http://www.bigheaddba.net/article/y2009/339_mysql%E5%88%86%E5%8C%BA%E8%A1%A8%E5%B1%80%E9%99%90%E6%80%A7%E6%80%BB%E7%BB%93.html
http://www.ooso.net/archives/217
http://dev.mysql.com/doc/refman/5.1/zh/partitioning.html#partitioning-range
http://hi.baidu.com/zhangguanshi/blog/i ......

MySQL count(*) Óë count(col) ²éѯЧÂʱȽÏ

MySQL count(*) Óë count(col) ²éѯЧÂʱȽÏ
ÓÅ»¯×ܽ᣺
1.ÈκÎÇé¿öÏÂSELECT COUNT(*) from xxx ÊÇ×îÓÅÑ¡Ôñ£»
2.¾¡Á¿¼õÉÙSELECT
COUNT(*) from xxx WHERE COL = ‘xxx’ ÕâÖÖ²éѯ£»
3.¶Å¾øSELECT COUNT(COL) from tablename WHERE COL = ‘xxx’
µÄ³öÏÖ¡£(ÆäÖÐCOL·ÇÖ÷¼ü)
»·¾³£º
MySQL°æ±¾£º ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ