תÔØAccess denied for user
תÔصØÖ·£ºhttp://hi.baidu.com/mbaba/blog/item/39dc8b58d41191dc9c8204c8.html
ºÜ¶àÅóÓÑËäÈ»°²×°ºÃÁËmysqlµ«È´²»ÖªÈçºÎʹÓÃËü¡£ÔÚÕâƪÎÄÕÂÖÐÎÒÃǾʹÓÁ¬½ÓMYSQL¡¢ÐÞ¸ÄÃÜÂë¡¢Ôö¼ÓÓû§µÈ·½ÃæÀ´Ñ§Ï°Ò»Ð©MYSQLµÄ³£ÓÃÃüÁî¡£
Ò»¡¢Á¬½ÓMYSQL¡£
¸ñʽ£º mysql -hÖ÷»úµØÖ· -uÓû§Ãû £pÓû§ÃÜÂë
1¡¢Àý1£ºÁ¬½Óµ½±¾»úÉϵÄMYSQL¡£
Ê×ÏÈÔÚ´ò¿ªDOS´°¿Ú£¬È»ºó½øÈëĿ¼ mysqlbin£¬ÔÙ¼üÈëÃüÁîmysql -uroot -p£¬»Ø³µºóÌáʾÄãÊäÃÜÂ룬Èç¹û¸Õ°²×°ºÃMYSQL£¬³¬¼¶Óû§rootÊÇûÓÐÃÜÂëµÄ£¬¹ÊÖ±½Ó»Ø³µ¼´¿É½øÈëµ½MYSQLÖÐÁË£¬MYSQLµÄÌáʾ·ûÊÇ£ºmysql>;
2¡¢Àý2£ºÁ¬½Óµ½Ô¶³ÌÖ÷»úÉϵÄMYSQL¡£¼ÙÉèÔ¶³ÌÖ÷»úµÄIPΪ£º110.110.110.110£¬Óû§ÃûΪroot,ÃÜÂëΪabcd123¡£Ôò¼üÈëÒÔÏÂÃüÁ
mysql -h110.110.110.110 -uroot -pabcd123
£¨×¢:uÓëroot¿ÉÒÔ²»Óüӿոñ£¬ÆäËüÒ²Ò»Ñù£©
3¡¢Í˳öMYSQLÃüÁ exit £¨»Ø³µ£©
¶þ¡¢ÐÞ¸ÄÃÜÂë¡£
¸ñʽ£ºmysqladmin -uÓû§Ãû -p¾ÉÃÜÂë password ÐÂÃÜÂë
1¡¢Àý1£º¸øroot¼Ó¸öÃÜÂëab12¡£Ê×ÏÈÔÚDOSϽøÈëĿ¼mysqlbin£¬È»ºó¼üÈëÒÔÏÂÃüÁî
mysqladmin -uroot -password ab12
×¢£ºÒòΪ¿ªÊ¼Ê±rootûÓÐÃÜÂ룬ËùÒÔ-p¾ÉÃÜÂëÒ»Ïî¾Í¿ÉÒÔÊ¡ÂÔÁË¡£
2¡¢Àý2£ºÔÙ½«rootµÄÃÜÂë¸ÄΪdjg345¡£
mysqladmin -uroot -pab12 password djg345
Èý¡¢Ôö¼ÓÐÂÓû§¡££¨×¢Ò⣺ºÍÉÏÃ治ͬ£¬ÏÂÃæµÄÒòΪÊÇMYSQL»·¾³ÖеÄÃüÁËùÒÔºóÃ涼´øÒ»¸ö·ÖºÅ×÷ΪÃüÁî½áÊø·û£©
¸ñʽ£ºgrant select on Êý¾Ý¿â.* to Óû§Ãû@µÇ¼Ö÷»ú identified by "ÃÜÂë"
Àý1¡¢Ôö¼ÓÒ»¸öÓû§test1ÃÜÂëΪabc£¬ÈÃËû¿ÉÒÔÔÚÈκÎÖ÷»úÉϵǼ£¬²¢¶ÔËùÓÐÊý¾Ý¿âÓвéѯ¡¢²åÈë¡¢Ð޸ġ¢É¾³ýµÄȨÏÞ¡£Ê×ÏÈÓÃÒÔrootÓû§Á¬ÈëMYSQL£¬È»ºó¼üÈëÒÔÏÂÃüÁ
grant select,insert,update,delete on *.* to test1@"%" Identified by "abc";
µ«Àý1Ôö¼ÓµÄÓû§ÊÇÊ®·ÖΣÏյģ¬ÄãÏëÈçij¸öÈËÖªµÀtest1µÄÃÜÂ룬ÄÇôËû¾Í¿ÉÒÔÔÚinternetÉϵÄÈκÎһ̨µçÄÔÉϵǼÄãµÄmysqlÊý¾Ý¿â²¢¶ÔÄãµÄÊý¾Ý¿ÉÒÔΪËùÓûΪÁË£¬½â¾ö°ì·¨¼ûÀý2¡£
Àý2¡¢Ôö¼ÓÒ»¸öÓû§test2ÃÜÂëΪabc,ÈÃËûÖ»¿ÉÒÔÔÚlocalhostÉϵǼ£¬²¢¿ÉÒÔ¶ÔÊý¾Ý¿âmydb½øÐвéѯ¡¢²åÈë¡¢Ð޸ġ¢É¾³ýµÄ²Ù×÷£¨localhostÖ¸±¾µØÖ÷»ú£¬¼´MYSQLÊý¾Ý¿âËùÔÚµÄÄÇ̨Ö÷»ú£©£¬ÕâÑùÓû§¼´Ê¹ÓÃÖªµÀtest2µÄÃÜÂ룬ËûÒ²ÎÞ·¨´ÓinternetÉÏÖ±½Ó·ÃÎÊÊý¾Ý¿â£¬Ö»ÄÜͨ¹ýMYSQLÖ÷»úÉϵÄwebÒ³À´·ÃÎÊÁË¡£
grant select,insert,update,delete on mydb.* to test2@localhost identified by "abc";
Èç¹ûÄã²»Ïëte
Ïà¹ØÎĵµ£º
1.´ò¿ªSQL server enterprise mananger “ÆóÒµ¹ÜÀíÆ÷”
ÔÚÄãÒªµ¼³öµÄSQLÊý¾Ý¿âÉÏÊó±êÓÒ¼ü²Ëµ¥£ºËùÓÐÈÎÎñ-¡·µ¼³öÊý¾Ý
2.»Ø³öÏÖÒ»¸öµ¼³öÏòµ¼´°¿Ú¡£
Ñ¡Ôñ±»µ¼³öµÄÊý¾ÝÔ´£¬ÎªÄã¸Õ²ÅËùÑ¡ÔñµÄÊý¾Ý¿â£¬Èç¹û·¢ÏÖ²»¶ÔÓ¦×ÔÐÐÐ޸ġ£
3.½øÈëµ¼³öµ½Ä¿±êÊý¾ÝÔ´µÄÑ¡Ôñ£¬ÕâÀïÎÒÃÇҪת³ÉACCESSµÄÊý¾Ý¿â¡£×¢ÒâÑ¡ÔñÊý¾ÝÔ´ÀàÐÍÎ ......
Îı¾ nvarchar(n)
±¸×¢ ntext
Êý×Ö(³¤ÕûÐÍ) int
Êý×Ö(ÕûÐÍ) smallint
Êý×Ö(µ¥¾«¶È) real
Êý×Ö(Ë«¾«¶È) float
Êý×Ö(×Ö½Ú) tinyint
»õ±Ò money
ÈÕÆÚ smalldatetime
²¼¶û bit
¸½£º×ª»»³ÉSQLµÄ½Å±¾¡£
ALTER TABLE tb ALTER COLUMN aa Byte Êý×Ö[×Ö½Ú]
ALTER TABLE tb ALTER COLUMN aa Long Êý×Ö[³¤ÕûÐÍ]
ALTER T ......
MicrosoftµÄACCESSÊý¾Ý¿â£¬ÊÇÎÒÃdz£ÓõÄ×ÀÃæÊý¾ÝÖ®Ò»£¬´ó¶àÖÐСÆóÒµµÄÊý¾Ý¿â¹ÜÀíϵͳ¶¼¿ÉÒÔ²ÉÓÃËü£¬µ«Æ䰲ȫÐÔÒ»Ö±ÁîÈ˵£ÓÌ£¬ÊÔÏ룬һÌײÆÎñ¹ÜÀíϵͳ£¬Óû§Ö±½Ó´ò¿ªÊý¾Ý¿âÈ¥¸ü¸ÄÊý¾Ý£¬ºó¹û»áÈçºÎ£¿ÓÐЩϵͳ¶ÔACCESSÊý¾Ý¿â¿ÉÄÜÖ»ÊǸü¸ÄÀ©Õ¹Ãû£¬»ò¼Ó¸öÃÜÂ룬ÖÚËùÖÜÖª£¬ÆƽâACCESSÃÜÂëµÄ·½·¨ºÍ¹¤¾ßÍøÉ϶àµÄÊÇ£¡ËùÒÔÕâÑùµÄ¼Óà ......
untag¾ÍÊÇÆÕͨµÄethernet±¨ÎÄ£¬ÆÕͨPC»úµÄÍø¿¨ÊÇ¿ÉÒÔʶ±ðÕâÑùµÄ±¨ÎĽøÐÐͨѶ£»
tag±¨ÎĽṹµÄ±ä»¯ÊÇÔÚÔ´macµØÖ·ºÍÄ¿µÄmacµØÖ·Ö®ºó£¬¼ÓÉÏÁË4bytesµÄvlanÐÅÏ¢£¬Ò²¾ÍÊÇvlan tagÍ·£»Ò»°ãÀ´ËµÕâÑùµÄ±¨ÎÄÆÕͨPC»úµÄÍø¿¨ÊDz»ÄÜʶ±ðµÄ
ÏÂͼ˵Ã÷ÁË802.1Q·â×°tag±¨ÎÄÖ¡½á¹¹
´ø802.1QµÄÖ¡ÊÇÔÚ±ê×¼ÒÔÌ«ÍøÖ¡ÉϲåÈëÁË4¸ö×ֽڵıêʶ¡£Æä ......
Microsoft AccessÊÇÒ»ÖÖ¹ØϵʽÊý¾Ý¿â£¬¹ØϵʽÊý¾Ý¿âÓÉһϵÁбí×é³É£¬±íÓÖÓÉһϵÁÐÐкÍÁÐ×é³É£¬Ã¿Ò»ÐÐÊÇÒ»¸ö¼Ç¼£¬Ã¿Ò»ÁÐÊÇÒ»¸ö×ֶΣ¬Ã¿¸ö×Ö¶ÎÓÐÒ»¸ö×Ö¶ÎÃû£¬×Ö¶ÎÃûÔÚÒ»¸ö±íÖв»ÄÜÖظ´¡£ ¡¡¡¡
±íÓë±íÖ®¼ä¿ÉÒÔ½¨Á¢¹Øϵ£¨»ò³Æ¹ØÁª£¬Á¬½Ó£©£¬ÒÔ±ã²éѯÏà¹ØÁªµÄÐÅÏ¢¡£AccessÊý¾Ý¿âÒÔÎļþÐÎʽ±£´æ£¬ÎļþµÄÀ©Õ¹ÃûMDB¡£ ¡¡¡¡
Acces ......