debian mysql ÔÊÐíÍⲿÁ´½Ó·½·¨
1 modify the /etc/mysql/my.cnf
# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
bind-address = 127.0.0.1
#
you see the bind-address, comment it. ×¢µôËü¡£
2 update the database -- mysql.
shell > mysql -uroot -p
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| mysql |
+--------------------+
5 rows in set (0.00 sec)
mysql> select t.host, t.user from user t;
+-----------+------------------+
| host | user |
+-----------+------------------+
|127.0.0.1 | debian-sys-maint |
|127.0.0.1 | james |
| 127.0.0.1 | root |
| debian | root |
| localhost | root |
+-----------+------------------+
5 rows in set (0.00 sec)
mysql > update user set host='%' where user='yourUsername';
mysql > flush privileges;
remark:
if wanna create user please follow:
create user 'james'@'%' identified by 'password';
Ïà¹ØÎĵµ£º
Query Cache ÔÚÌá¸ßÊý¾Ý¿âÐÔÄÜ·½Ãæ¾ßÓзdz£ÖØÒªµÄ×÷Óá£
ÆäÉ趨Ҳ·Ç³£¼òµ¥£¬½öÐèÒªÔÚÅäÖÃÎļþдÈëÁ½ÐУº query_cache_type ºÍ query_cache _size£¬¶øÇÒ MySQL µÄ query cache ·Ç³£¿ì£¡¶øÇÒÒ»µ©ÃüÖУ¬¾ÍÖ±½Ó·¢Ë͸ø¿Í»§¶Ë£¬½ÚÔ¼´óÁ¿µÄ CPU ʱ¼ä¡£
µ±È»£¬·Ç SELECT Óï¾ä¶Ô»º³åÊÇÓÐÓ°ÏìµÄ£¬ËüÃÇ¿ÉÄÜʹ»º³åÖеÄÊý¾Ý¹ýÆÚ¡£Ò»¸ö ......
1¡¢mysql±àÒë²ÎÊý£º
#cat /usr/local/mysql/bin/mysqlbug|grep configure
# This is set by configure
CONFIGURE_LINE="./configure '--prefix=/usr/local/mysql' '--with-openssl' '--enable-thread-safe-client' '--enable-local-infile' '--with-charset=gbk' '-with-extra-charsets=gb2312,gbk'"
±íʾ±àÒëÖÐÖ§³Öope ......
MySQLÐÔÄÜÓÅ»¯µÄ×î¼Ñ20+Ìõ¾Ñé
ÎÄÕ·ÖÀà:Êý¾Ý¿â
from£ºhttp://www.uml.org.cn/sjjm/201001041.asp
½ñÌ죬Êý¾Ý¿âµÄ²Ù×÷Ô½À´Ô½³ÉΪÕû¸öÓ¦ÓõÄÐÔÄÜÆ¿¾±ÁË£¬Õâµã¶ÔÓÚWebÓ¦ÓÃÓÈÆäÃ÷ÏÔ¡£¹ØÓÚÊý¾Ý¿âµÄÐÔÄÜ£¬Õâ²¢²»Ö»ÊÇDBA²ÅÐèÒªµ£ÐĵÄÊ£¬¶øÕâ¸üÊÇÎÒÃdzÌÐòÔ±ÐèҪȥ¹Ø×¢µÄÊÂÇé¡£µ±ÎÒÃÇÈ¥Éè¼ÆÊý¾Ý¿â±í½á¹¹£¬¶Ô²Ù×÷Êý¾Ý¿âʱ£¨ÓÈÆäÊ ......
mysql
ÓÐÒ»¸ö¹¦ÄܾÍÊÇ¿ÉÒÔlogÏÂÀ´ÔËÐеıȽÏÂýµÄsqlÓï¾ä£¬Ä¬ÈÏÊÇûÓÐÕâ¸ölogµÄ£¬ÎªÁË¿ªÆôÕâ¸ö¹¦ÄÜ£¬ÒªÐÞ¸Ämy.cnf»òÕßÔÚmysql
Æô¶¯µÄʱºò¼ÓÈëһЩ²ÎÊý¡£
Èç¹ûÔÚmy.cnfÀïÃæÐ޸ģ¬ÐèÔö¼ÓÈçϼ¸ÐÐ
long_query_time = 10
log-slow-queries =
long_query_time
ÊÇÖ¸Ö´Ðг¬¹ý¶à¾ÃµÄsql»á±»logÏÂÀ´£¬ÕâÀïÊÇ10Ãë¡£
log-slo ......
¹Ø¼ü×Ö: key×Ö¶ÎÊÇmysqlÀïÃæµÄ¹Ø¼ü×Ö
insert into app(name,created,key,secret,masterSecret) values ('aa',null,null,null,null);
ÒòΪÕâÀïµÄkey×Ö¶ÎÊÇmysqlµÄ¹Ø¼ü×Ö£¬ËùÒÔÒ»Ö±²å²»½øÈ¥¡£
ÐÞ¸ÄÈçÏÂ:ÔÚkeyµÄÍ·ÉϼÓÉÏÁ½µã(·´ÒýºÅ£¬ËüÔÚ¼üÅ̵Ä~Õâ¸ö¼üÉÏ)¡£¼´¿É¸ã¶¨
sql½¨±íÈçÏ£º
Java´úÂë
CREATE T ......