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root#mysql -h localhost-u mysql -p
Enter password: ******
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 4 to server version: 4.0.20a-debug
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql> use mysql; (´ËDB´æ·ÅMySQLµÄ¸÷ÖÖÅäÖÃÐÅÏ¢)
Database changed
mysql> select host,user from user; (²é¿´Óû§µÄȨÏÞÇé¿ö)
+-------------+-------+
| host | user |
+-------------+-------+
| localhost | |
| localhost | root |
| localhost | |
| localhost | mysql |
+-------------+-------+
6 rows in set (0.02 sec)
ÓÉ´Ë¿ÉÒÔ¿´³ö£¬Ö»ÄÜÒÔlocalhostµÄÖ÷»ú·½Ê½·ÃÎÊ¡£
½â¾ö·½·¨£º
mysql> Grant all privileges on *.* to 'root'@'%' identified by ‘password’with grant option;
(%±íʾÊÇËùÓеÄÍⲿ»úÆ÷£¬Èç¹ûÖ¸¶¨Ä³Ò»Ì¨»ú£¬¾Í½«%¸ÄΪÏàÓ¦µÄ»úÆ÷Ãû£»‘root’ÔòÊÇָҪʹÓõÄÓû§Ãû£¬)
mysql> flush privileges; (ÔËÐÐΪ¾ä²ÅÉúЧ£¬»òÕßÖØÆôMySQL)
Query OK, 0 rows affected (0.03 sec)
mysql> select host,user from user; (Ôٴβ鿴Óû§µÄȨÏÞÇé¿ö)
+-------------+-------+
| host | user |
+-------------+-------+
| £¥ | mysql |
| £¥ | root |
| localhost
Ïà¹ØÎĵµ£º
±à¼/etc/mysql/my.cnfÎļþ£¬Ï൱ÓÚwindowsÖеÄmy.ini£º
ÕÒµ½[client]
Ìí¼Ó£º
default-character-set = utf8 // ĬÈÏ×Ö·û¼¯Îªutf8
ÕÒµ½[mysqld]
Ìí¼Ó:
default-character-set = utf8 //ĬÈÏ×Ö·û¼¯Îªutf8
init_connect = 'SET NAMES utf8' //É趨Á¬½ÓmysqlÊý¾Ý¿âʱʹÓÃutf8±àÂ룬ÒÔÈÃmysqlÊý¾Ý¿âΪutf8ÔËÐÐ
Ð޸ĺú ......
1.SELECT USER();
»ñµÃµ±Ç°µÇ½Óû§µÄÓû§ÃûÓëÖ÷»úÐÅÏ¢£¬Ê¹ÓøÃÃüÁî»áÏÔʾÀàËÆÓÚÈçÏÂÐÅÏ¢£ºroot@zxj.lest.vicp.cc£¬@Ç°ÃæÊÇÓû§Ãû£¬ºóÃæÊÇÖ÷»úÃû¡£
2.SHOWÓ÷¨£¬
SHOW DATABASES--ÏÔʾ¶àÉÙ¸öÊý¾Ý¿â£¬Ò²¿ÉÒÔ½Ð×ö±í¿Õ¼ä¡£
SHOW TABLES--ÏÔʾÓжàÉÙ¸ö±í¡£
SHOW VARIABLES--ÏÔʾÊý¾Ý¿â±äÁ¿¡£
SHOW MASTER STATUS.
SHOW C ......
1. Mysql ×Ô¶¯Æô¶¯µÄÅäÖÃ
ÔÚMySQL°²×°³ÌÐòµÄ½âѹ°ü
/usr/local/mysql/support-files
myslq.serverµÄÆô¶¯½Å±¾³ÌÐò=¡· ¸´ÖÆ/etc/rc.d/init.dĿ¼
[root@localhost ~]# cd /etc/rc.d/init.d
¸´ÖƲ¢ÖØÃüÃûΪmysql
[root@localhost init.d]# cp /usr/local/mysql/support-files/mysql.server mysql
¸ü¸ÄÊôÐÔ¸ÄΪ“x& ......