Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

½â¾ömysql¡°Access denied for user

½â¾ömysql“Access denied for user
ÎÒµÄϵͳÊÇubuntu6.06£¬×î½üÐÂ×°ºÃµÄmysqlÔÚ½øÈëmysql¹¤¾ßʱ£¬×ÜÊÇÓдíÎóÌáʾ:
# mysql -uroot -p
Enter password:
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
ʹÓÃÍøÉϽéÉܵķ½·¨ÐÞ¸ÄrootÓû§µÄÃÜÂ룺
# mysqladmin -uroot -p password 'newpassword'
Enter password:
mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'root'@'localhost' (using password: YES)'
ÏÖÔÚÖÕÓÚ±»ÎÒÕÒµ½Á˽â¾ö·½·¨£¬ÈçÏ£¨ÇëÏȲâÊÔ·½·¨Èý£¬Ð»Ð»£¡£©£º
·½·¨Ò»£º
# /etc/init.d/mysql stop
# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
# mysql -u root mysql
mysql> UPDATE user SET Password=PASSWORD('newpassword') where USER='root';
mysql> FLUSH PRIVILEGES;
mysql> quit
# /etc/init.d/mysql restart
# mysql -uroot -p
Enter password: <ÊäÈëÐÂÉèµÄÃÜÂënewpassword>
mysql>
·½·¨¶þ£º
Ö±½ÓʹÓÃ/etc/mysql/debian.cnfÎļþÖÐ[client]½ÚÌṩµÄÓû§ÃûºÍÃÜÂë:
# mysql -udebian-sys-maint -p
Enter password: <ÊäÈë[client]½ÚµÄÃÜÂë>
mysql> UPDATE user SET Password=PASSWORD('newpassword') where USER='root';
mysql> FLUSH PRIVILEGES;
mysql> quit
# mysql -uroot -p
Enter password: <ÊäÈëÐÂÉèµÄÃÜÂënewpassword>
mysql>


Ïà¹ØÎĵµ£º

mysqlÆô¶¯ºÍ¹Ø±ÕÔ¼ÊøµÄ·½·¨(FOREIGN_KEY_CHECKS)


mysqlÆô¶¯ºÍ¹Ø±ÕÔ¼ÊøµÄ·½·¨(FOREIGN_KEY_CHECKS)
2009-07-06 16:43
MySQL»¹Ô­Êý¾Ý¿â£¬½ûÓúÍÆôÓÃÍâ¼üÔ¼ÊøµÄ·½·¨(FOREIGN_KEY_CHECKS)
ÓÐʱ»¹Ô­Êý¾Ý¿âʱ£¬ÒòΪ±íÓÐÔ¼Êøµ¼ÖÂ40014´íÎ󣬿ÉÒÔͨ¹ý¹Ø±ÕÍâ¼üÔ¼Êø£¬»¹Ô­³É¹¦Ê±ÔÙÆôÓÃ
½ûÓÃ
SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0
ÆôÓÃ
S ......

mysqlÖеÄtinyint£¬smallint£¬int£¬bigint

bigint ´Ó -2^63 (-9223372036854775808) µ½ 2^63-1 (9223372036854775807) µÄÕûÐÍÊý¾Ý£¨ËùÓÐÊý×Ö£©¡£´æ´¢´óСΪ 8 ¸ö×Ö½Ú¡£
int ´Ó -2^31 (-2,147,483,648) µ½ 2^31 - 1 (2,147,483,647) µÄÕûÐÍÊý¾Ý£¨ËùÓÐÊý×Ö£©¡£´æ´¢´óСΪ 4 ¸ö×Ö½Ú¡£int µÄ SQL-92 ͬÒå×ÖΪ integer¡£
smallint ´Ó -2^15 (-32,768) µ½ 2^15 - 1 (32,7 ......

ʹÓÃMySQL connector/C++Á´½ÓMySQLÊý¾Ý¿â

Ê×ÏÈÈ¥MySQL¹ÙÍøÏÂÔØMySQL connector/C++
http://dev.mysql.com/downloads/connector/cpp/1.0.html
ÏÂÔصڶþ¸ö°ü£¬windows32λ·Ç°²×°°æ£¨¸öÈ˾õµÃÕâ¸ö°ü¸É¾»£©¡£Ä¿Ç°µÄ°æ±¾ÊÇConnector/C++ 1.0.5¡£
Windows (x86, 32-bit), ZIP Archive
(mysql-connector-c++-noinstall-1.0.5-win32.zip)
½«Õû¸ö°ü½âѹµ½ÏîÄ¿Îļþ¼Ðϵ ......

MYSQLÊý¾Ý¿âµÄ±¸·ÝÓë»Ö¸´

±¸·ÝÓë»Ö¸´ÔÚÈκÎÊý¾Ý¿âÀïÃ涼ÊǷdz£ÖØÒªµÄÄÚÈÝ£¬ÌرðÊÇËæ×ÅÊý¾ÝÁ¿µÄÔö¼Ó£¬±¸·ÝÎÊÌâ»áÔ½À´Ô½Í»³ö£¬Òò´Ë£¬ºÃµÄ±¸·Ý·½·¨Ó뱸·Ý²ßÂÔÊǷdz£ÖØÒªµÄ¡£½áºÏÎÒËù×öµÄÏîÄ¿±¾Éí£¬ÏÂÃæÖ÷Òª¾Íwindowsƽ̨ÏÂMySQL(5.0)Êý¾Ý¿âµÄ³£Óñ¸·ÝÓë»Ö¸´×öһЩ×ܽᡣ
 
 
1       Ïà¹Ø×¼±¸¹¤×÷
  ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ