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

mysql¾ÖÓòÍø·ÃÎÊ

1,ÔÚwindow×Ô´øµÄ·À»ðǽÀïµÄÀýÍâÌí¼Ó3306¶Ë¿Ú£¬ÎªTCP
2£¬½ñÌìÔÚÓÃÔ¶³ÌÁ¬½ÓMysql·þÎñÆ÷µÄÊý¾Ý¿â£¬²»¹ÜÔõôŪ¶¼ÊÇÁ¬½Ó²»µ½£¬´íÎó´úÂëÊÇ1130£¬ERROR 1130: Host 192.168.2.159 is not allowed to connect to this MySQL server
²ÂÏëÊÇÎÞ·¨¸øÔ¶³ÌÁ¬½ÓµÄÓû§È¨ÏÞÎÊÌâ¡£½á¹ûÕâÑù×Ó²Ù×÷mysql¿â£¬¼´¿É½â¾ö¡£ÔÚ±¾»úµÇÈëmysqlºó£¬¸ü¸Ä “mysql” Êý¾Ý¿âÀïµÄ “user” ±íÀïµÄ “host” Ï´Ó”localhost”¸Ä³Æ'%'¡£¡£
mysql -u root -p
mysql>use mysql;
mysql>select 'host' from user where user='root';
mysql>update user set host = '%' where user ='root';
mysql>flush privileges;
mysql>select 'host'   from user where user='root';
µÚÒ»¾äÊÇÒÔȨÏÞÓû§rootµÇ¼
µÚ¶þ¾ä£ºÑ¡Ôñmysql¿â
µÚÈý¾ä£º²é¿´mysql¿âÖеÄuser±íµÄhostÖµ£¨¼´¿É½øÐÐÁ¬½Ó·ÃÎʵÄÖ÷»ú/IPÃû³Æ£©
µÚËľ䣺ÐÞ¸ÄhostÖµ£¨ÒÔͨÅä·û%µÄÄÚÈÝÔö¼ÓÖ÷»ú/IPµØÖ·£©£¬µ±È»Ò²¿ÉÒÔÖ±½ÓÔö¼ÓIPµØÖ·
µÚÎå¾ä£ºË¢ÐÂMySQLµÄϵͳȨÏÞÏà¹Ø±í
µÚÁù¾ä£ºÔÙÖØÐ²鿴user±íʱ£¬ÓÐÐ޸ġ£¡£
ÖØÆðmysql·þÎñ¼´¿ÉÍê³É¡£


Ïà¹ØÎĵµ£º

ÈçºÎÐÞ¸ÄMYSQLÊý¾Ý¿âÃÜÂë


Ê×ÏÈÒªÉùÃ÷Ò»µã£¬´ó²¿·ÖÇé¿öÏ£¬ÐÞ¸ÄMySQLÊÇÐèÒªÓÐmysqlÀïµÄrootȨÏ޵ģ¬
ËùÒÔÒ»°ãÓû§ÎÞ·¨¸ü¸ÄÃÜÂ룬³ý·ÇÇëÇó¹ÜÀíÔ±¡£
·½·¨Ò»
ʹÓÃphpmyadmin£¬ÕâÊÇ×î¼òµ¥µÄÁË£¬ÐÞ¸Ämysql¿âµÄuser±í£¬
²»¹ý±ðÍüÁËʹÓÃPASSWORDº¯Êý¡£
·½·¨¶þ
ʹÓÃmysqladmin£¬ÕâÊÇÇ°ÃæÉùÃ÷µÄÒ»¸öÌØÀý¡£
mysqladmin -u root -p password mypas ......

mysql forige key


Love in coding...
    Free and Susan
[Òý]MySQL INNODBÀàÐͱíµÄÍâ¼ü¹ØÁªÉèÖÃ

Here is a simple example that relates parent and child tables through a single-column foreign key:
CREATE TABLE parent (id INT NOT NULL,
          ......

MySQL´æ´¢ÒýÇæ Ó¦ÓÃ


MySQL·þÎñÆ÷²ÉÓÃÁËÄ£¿é»¯·ç¸ñ£¬¸÷²¿·ÖÖ®¼ä±£³ÖÏà¶Ô¶ÀÁ¢£¬ÓÈÆäÌåÏÖÔÚ´æ´¢¼Ü¹¹ÉÏ¡£´æ´¢ÒýÇæ¸ºÔð
¹ÜÀíÊý¾Ý´æ´¢£¬ÒÔ¼°MySQLµÄË÷Òý¹ÜÀí¡£Í¨¹ý¶¨ÒåµÄAPI£¬MySQL·þÎñÆ÷Äܹ»Óë´æ´¢ÒýÇæ½øÐÐͨÐÅ¡£Ä¿Ç°Ê¹ÓÃ×î¶àµÄÊÇMyISAMºÍInnoDB¡£
InnoDB±»OracleÊÕ¹ººó£¬MySQL×ÔÐпª·¢µÄд洢ÒýÇæFalcon½«ÔÚMySQL6.0°æ±¾Òý½ø¡£
MyISAMÒýÇæÊÇÒ ......

PHPÍæ×ªMySQLÖ®Íâ¼üÔ¼Êø ÄÏÈý·½

ÔÚ±¾ÎÄÖУ¬ÎÒÃǽ«Ñ§Ï°ÈçºÎͨ¹ýPHP 5µÄÒ»¸ö»ù±¾³éÏóÀàʹÓÃÍâ¼üÔ¼ÊøÀ´¸üÐÂÁ½¸öInnoDB±íµÄÊý¾Ý¡£ ÎÒÃǽ«Í¨¹ý¾ßÌåʾÀýÀ´ËµÃ÷ÈçºÎͨ¹ý·þÎñÆ÷¶Ë½Å±¾ÓïÑÔÀ´Ê¹ÓÃÍâ¼üÔ¼Êø¡£
¡¡¡¡Ò»¡¢ÀûÓÃÍâ¼üÔ¼Êø¸üÐÂMySQLÖеÄÊý¾Ý
¡¡¡¡ÏÖÔÚ£¬×îÁ÷ÐеĿªÔ´¹ØÏµÐÍÊý¾Ý¿â¹ÜÀíϵͳ·ÇMySQLĪÊô£¬¶øMySQLÓÖÖ§³Ö¶à¸ö´æ´¢ÒýÇæ£¬ÆäÖÐĬÈϵÄÒ²ÊÇËٶȽϿìµÄ´ ......

How to change max_allowed_packet value in mysql?

 
If you set it in the cnf(it may be my.ini file) you will likely need to restart the server. Optionally, that is a dynamic variable and can be SET GLOBAL or SET SESSION from the command line as well.So just do as follows.
 
mysql>show variables like’max_allowed_packet’; ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ