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

MySQLÖÐMyISAMÒýÇæÓëInnoDBÒýÇæÐÔÄܼòµ¥²âÊÔ


[Ó²¼þÅäÖÃ]
CPU : AMD2500+ (1.8G)
ÄÚ´æ: 1G/ÏÖ´ú
Ó²ÅÌ: 80G/IDE
[Èí¼þÅäÖÃ]
OS : Windows XP SP2
SE : PHP5.2.1
DB : MySQL5.0.37
Web: IIS6
[MySQL±í½á¹¹]
CREATE TABLE `myisam` (
  `id` int(11) NOT NULL auto_increment,
  `name` varchar(100) default NULL,
  `content` text,
  PRIMARY KEY  (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=gbk;
CREATE TABLE `innodb` (
  `id` int(11) NOT NULL auto_increment,
  `name` varchar(100) default NULL,
  `content` text,
  PRIMARY KEY  (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=gbk;
[Êý¾ÝÄÚÈÝ]
$name = "heiyeluren";
$content = "MySQLÖ§³ÖÊý¸ö´æ´¢ÒýÇæ×÷Ϊ¶Ô²»Í¬±íµÄÀàÐ͵Ĵ¦ÀíÆ÷¡£MySQL´æ´¢ÒýÇæ°üÀ¨´¦ÀíÊÂÎñ°²È«±íµÄÒýÇæºÍ´¦Àí·ÇÊÂÎñ°²È«±íµÄÒýÇæ£º· MyISAM¹ÜÀí·ÇÊÂÎñ±í¡£ËüÌṩ¸ßËÙ´æ´¢ºÍ¼ìË÷£¬ÒÔ¼°È«ÎÄËÑË÷ÄÜÁ¦¡£MyISAMÔÚËùÓÐMySQLÅäÖÃÀï±»Ö§³Ö£¬ËüÊÇĬÈϵĴ洢ÒýÇæ£¬³ý·ÇÄãÅäÖÃMySQLĬÈÏʹÓÃÁíÍâÒ»¸öÒýÇæ¡£ ·MEMORY´æ´¢ÒýÇæÌṩ“ÄÚ´æÖД±í¡£MERGE´æ´¢ÒýÇæÔÊÐí¼¯ºÏ½«±»´¦ÀíͬÑùµÄMyISAM±í×÷Ϊһ¸öµ¥¶ÀµÄ±í¡£¾ÍÏñMyISAMÒ»Ñù£¬MEMORYºÍMERGE´æ´¢ÒýÇæ´¦Àí·ÇÊÂÎñ±í£¬ÕâÁ½¸öÒýÇæÒ²¶¼±»Ä¬Èϰüº¬ÔÚMySQLÖС£ ÊÍ£ºMEMORY´æ´¢ÒýÇæÕýʽµØ±»È·¶¨ÎªHEAPÒýÇæ¡£· InnoDBºÍBDB´æ´¢ÒýÇæÌṩÊÂÎñ°²È«±í¡£BDB±»°üº¬ÔÚΪ֧³ÖËüµÄ²Ù×÷ϵͳ·¢²¼µÄMySQL-Max¶þ½øÖÆ·Ö·¢°æÀï¡£InnoDBҲĬÈϱ»°üÀ¨ÔÚËùÓÐMySQL 5.1¶þ½øÖÆ·Ö·¢°æÀÄã¿ÉÒÔ°´ÕÕϲºÃͨ¹ýÅäÖÃMySQLÀ´ÔÊÐí»ò½ûÖ¹ÈÎÒ»ÒýÇæ¡£·EXAMPLE´æ´¢ÒýÇæÊÇÒ»¸ö“´æ¸ù”ÒýÇæ£¬Ëü²»×öʲô¡£Äã¿ÉÒÔÓÃÕâ¸öÒýÇæ´´½¨±í£¬µ«Ã»ÓÐÊý¾Ý±»´æ´¢ÓÚÆäÖлò´ÓÆäÖмìË÷¡£Õâ¸öÒýÇæµÄÄ¿µÄÊÇ·þÎñ£¬ÔÚMySQLÔ´´úÂëÖеÄÒ»¸öÀý×Ó£¬ËüÑÝʾ˵Ã÷ÈçºÎ¿ªÊ¼±àдд洢ÒýÇæ¡£Í¬Ñù£¬ËüµÄÖ÷ÒªÐËȤÊǶԿª·¢Õß¡£";
[²åÈëÊý¾Ý-1] (innodb_flush_log_at_trx_commit=1)
MyISAM 1W£º3/s
InnoDB 1W£º219/s
MyISAM 10W£º29/s
InnoDB 10W£º2092/s
MyISAM 100W£º287/s
InnoDB 100W£ºÃ»¸Ò²âÊÔ
[²åÈëÊý¾Ý-2] (innodb_flush_log_at_trx_commit=0)
MyISAM 1W£º3/s
InnoDB 1W£º3/s
MyISAM 10W£º30/s
InnoDB 10W£º29/s
MyISAM 100W£º273/s
InnoDB 100W£º423/s
[²åÈëÊý¾Ý3] (innodb_buffer_pool_size=1024M)
InnoDB 1W£º3/s
InnoDB 10W£º33/s
InnoDB 100W£º607/s
[²åÈ


Ïà¹ØÎĵµ£º

MySQLÊý¾Ý¿âµÄ»ù±¾²Ù×÷ÃüÁî

Ò»¡¢mysql·þÎñ²Ù×÷
1¡¢net start mysql //Æô¶¯mysql·þÎñ
2¡¢net stop mysql //Í£Ö¹mysql·þÎñ¡¡
3¡¢mysql -hÖ÷»úµØÖ· -uÓû§Ãû £­pÓû§ÃÜÂë //½øÈëmysqlÊý¾Ý¿â
4¡¢quit //Í˳ömysql²Ù×÷
5¡¢mysqladmin -uÓû§Ãû -p¾ÉÃÜÂë password ÐÂÃÜÂë //¸ü¸ÄÃÜÂë
6¡¢grant select on Êý¾Ý¿â.* to Óû§Ãû@µÇ¼Ö÷»ú identifie ......

mysql ÀàÐÍת»»º¯Êý

12.8.   Castº¯ÊýºÍ²Ù×÷·û  
BINARY    
BINARY²Ù×÷·û½«ºóÃæµÄ×Ö·û´®Å׸øÒ»¸ö¶þ½øÖÆ×Ö·û´®¡£ÕâÊÇÒ»ÖÖ¼òµ¥µÄ·½Ê½À´´ÙʹÖð×Ö½Ú¶ø²»ÊÇÖð×Ö·ûµÄ½øÐÐÁбȽϡ£ÕâʹµÃ±È½ÏÇø·Ö´óСд£¬¼´Ê¹¸ÃÁв»±»¶¨ÒåΪ   BINARY»ò   BLOB¡£BINARYÒ²»á²úÉú½áβ¿Õ°×£¬´Ó¶ø¸ü¼ÓÏÔ ......

MysqlÖÐÈçºÎÅúÁ¿Éú³É½Å±¾


[root@sql21 ~]# mysql -u root
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3 to server version: 5.1.26-rc-log
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql> show databases;
+--------------------+
| Database  &nb ......

Á˽âMySQlÊý¾Ý¿âĿ¼

Êý¾Ý¿âĿ¼ÊÇMySQLÊý¾Ý¿â·þÎñÆ÷´æ·ÅÊý¾ÝÎļþµÄµØ·½£¬²»½ö°üÀ¨ÓйرíµÄÎļþ£¬»¹°üÀ¨Êý¾ÝÎļþºÍMySQLµÄ·þÎñÆ÷Ñ¡ÏîÎļþ¡£²»Í¬µÄ·Ö·¢£¬Êý¾Ý¿âĿ¼µÄȱʡλÖÃÊDz»Í¬µÄ¡£
Êý¾ÝĿ¼µÄλÖÃ
ȱʡµÄÊý¾Ý¿âλÖÃ
ȱʡÊý¾Ý¿âµÄλÖñàÒëÔÚ·þÎñÆ÷ÖС£
¡ôÈç¹ûÄúÊÇÔÚÒ»¸öÔ´³ÌÐò·Ö·¢°üÖа²×° MySQL£¬µäÐ͵ÄȱʡλÖÿÉÄÜÊÇ /usr/local/var ......

MysqlÖÐÕÒ²»µ½.mydÎļþµÄÎÊÌâ

WordpressÓÃÁËÕâô³¤Ê±¼ä£¬Å¼¶û»áÏëÆðÀ´±¸·ÝÏÂÊý¾Ý£¬ÉÏ´ÎÊÇÓÃwpµÄxml£¬Õâ´Î°Ñ×Ô¼º»úÆ÷µÄ»·¾³ÅäµÄ¸úÖ÷»úÌṩÉÌ»ù±¾Ò»ÑùÁË£¬ÕýºÃÄDZßÓÐmysqlÊý¾Ý¿â´ò°ü±¸·ÝµÄ·þÎñ£¬¾Í³¢ÊÔÁËһϡ£¿É²»¹ÜÎÒÏÂÔØÄĸöʱ¼äµãµÄ±¸·Ý°ü£¬ÀïÃæ¶¼Ö»ÓÐwp±íµÄ10¸öfrmÎļþ£¬copyµ½ÎÒµÄÊý¾Ý¿âĿ¼ºó·ÃÎÊweb£¬Ã»ÓÐÈκÎÊý¾Ý£¡Ö±½Ó¸ã²»¶®ÁË¡£ÒÔǰ¾õµÃÓÃmysql ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ