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

¿ªÆôMYSQLÈÕÖ¾ÅäÖÃ

ÔÚ[mysqld] ÏÂÌí¼Ó²ÎÊýÈçÏÂ
 #´íÎóÈÕÖ¾Êä³ö·¾¶(ʹÓÃ/×÷Ϊ·Ö¸î¶ø²»ÊÇ\)
log-error="your error-log path"
log="Your mysql log path"
log-show-queries="Your slowquery path"
#É趨³¬Ê±Ê±¼ä ´Ë´¦ÉèÖÃΪÁ½Ãë
long_query_time=2
Ok save my.ini
next
#Í£Ö¹mysql ·þÎñ
net stop mysql 
#ÖØÐ¿ªÊ¼·þÎñ
net start mysql


Ïà¹ØÎĵµ£º

mysql Ë÷Òý key µÄÓ÷¨

mysql> desc aa;
+-------+---------+------+-----+---------+-------+
| Field | Type    | Null | Key | Default | Extra |
+-------+---------+------+-----+---------+-------+
| id    | int(11) | YES  |     | NULL    |     &n ......

MySQLÊý¾Ý¿âµÄdb.optÎļþ


MySQLµÄÿ¸öÊý¾Ý¿âĿ¼ÖÐÓÐÒ»¸öÎļþdb.opt,¸ÃÎļþÖ÷Òª ÓÃÀ´´æ´¢µ±Ç°Êý¾Ý¿âµÄĬÈÏ×Ö·û¼¯ºÍ×Ö·ûУÑ鹿Ôò¡£
eg.default-character-set=latin1
default-collation=latin1_swedish_ci
¸ÃÎļþÖд洢µÄÊÇ´´½¨Êý¾Ý¿âʱĬÈϵÄ×Ö·û¼¯ºÍ×Ö·û¼¯Ð£Ñ鹿Ôò£¬Ôò¸ÃÊý¾Ý¿âÔÚÒÔºó´´½¨±íʱÈç¹ûûÓÐÖ¸¶¨×Ö·û¼¯ºÍУÑ鹿Ôò£¬Ôò¸Ã±íµÄÕâÁ½¸ö ......

MYSQL»ù´¡Ö®Á¬½ÓMYSQL¡¢ÐÞ¸ÄÃÜÂë¡¢Ìí¼ÓÓû§

Ò»¡¢Á¬½ÓMYSQL¡£
¸ñʽ£º mysql -hÖ÷»úµØÖ· -uÓû§Ãû £­pÓû§ÃÜÂë
1¡¢Àý1£ºÁ¬½Óµ½±¾»úÉϵÄMYSQL¡£
Ê×ÏÈÔÚ´ò¿ªDOS´°¿Ú£¬È»ºó½øÈëĿ¼ mysqlbin£¬ÔÙ¼üÈëÃüÁîmysql -uroot -p£¬»Ø³µºóÌáʾÄãÊäÃÜÂ룬Èç¹û¸Õ°²×°ºÃMYSQL£¬³¬¼¶Óû§rootÊÇûÓÐÃÜÂëµÄ£¬¹ÊÖ±½Ó»Ø³µ¼´¿É½øÈëµ½MYSQLÖÐÁË£¬MYSQLµÄÌáʾ·ûÊÇ£ºmysql>
2¡¢Àý2£ºÁ ......

MySQL COUNT SUM

 select
count(*) as mcount ,
left(create_time,10) as ptime ,
count(if(receive_msg is null,id,null)) as nullcount ,
count(if(receive_msg = '1',receive_msg,null)) as apfcount ,
count(if(receive_msg = '2',receive_msg,null)) as dttcount ,
count(if(receive_msg = '3',receive_ms ......

ubuntu MySQL°²×°Ö¸ÄÏ

Òª°²×° MySQL£¬¿ÉÒÔÔÚÖÕ¶ËÌáʾ·ûºóÔËÐÐÏÂÁÐÃüÁ
sudo apt-get install mysql-server
sudo apt-get install mysql-client
sudo apt-get install php5-mysql
// °²×°php5-mysql Êǽ«phpºÍmysqlÁ¬½ÓÆðÀ´
Ò»µ©°²×°Íê³É£¬MySQL ·þÎñÆ÷Ó¦¸Ã×Ô¶¯Æô¶¯¡£Äú¿ÉÒÔÔÚÖÕ¶ËÌáʾ·ûºóÔËÐÐÒÔÏÂÃüÁîÀ´¼ì²é MySQL ·þÎñÆ÷ÊÇ·ñÕýÔÚÔËÐУº ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ