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

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

mysqlµÄslow queryÖеÄÒ»¸öÏÖÏó

ÔÚmysqlµÄslow query logÖУ¬¿ÉÄÜ´æÔÚÀàËÆÕâÑùµÄÌØÊâ¼Ç¼£º
# Time: 100127 23:17:01
# User@Host: root[root] @  [127.0.0.1]
# Query_time: 18446744073709.351562  Lock_time: 0.000129 Rows_sent: 1  Rows_examined: 11030
SET timestamp=1264663021;
SELECT dummy.id AS dummy_id
from dummy&nbs ......

MYSQL Ïà¹Ø

MYSQL where id inÎÊÌâ
SELECT * from product WHERE id IN (‘1522,1523,1524′)ORDER BY id DESC
ÔÚMYSQLÀïÃæÖ´ÐÐÕâ¸öÓï¾äÖ»·µ»Ø1522µÄÖµ¡£
Ö´ÐÐ
SELECT * from product WHERE instr(‘1522,1523,1524′,id) ORDER BY id DESC
»òÕß
SELECT * from product WHERE instr(‘1522,1523,1524 ......

ÁÙʱ±íÔÚSQL ServerºÍMySqlÖд´½¨µÄ·½·¨

SQL Server´´½¨ÁÙʱ±í£º
´´½¨ÁÙʱ±í
·½·¨Ò»£º
create table #ÁÙʱ±íÃû(×Ö¶Î1 Ô¼ÊøÌõ¼þ,
×Ö¶Î2 Ô¼ÊøÌõ¼þ,
.....)
create table ##ÁÙʱ±íÃû(×Ö¶Î1 Ô¼ÊøÌõ¼þ,
×Ö¶Î2 Ô¼ÊøÌõ¼þ,
.....)
·½·¨¶þ£º
select * into #ÁÙʱ±íÃû from ÄãµÄ±í;
select * into ##ÁÙʱ±íÃû from ÄãµÄ±í;
×¢£ºÒÔÉϵÄ#´ú±í¾Ö²¿ÁÙʱ±í£¬##´ú±íÈ«¾ ......

mysql textºÍblob±È½Ï


1.
blobÊǶþ½øÖÆ´ó¶ÔÏó,¿ÉÒÔÈÝÄɿɱäÁ¿ÊýÁ¿µÄÊý¾Ý,ÆäÖÐblob·ÖΪ4ÖÐÀàÐÍ:TINYBLOB,BLOB,mediumblobºÍLongBlob,ËûÃÇÈÝÄɵij¤¶ÈÊDz»Í¬µÄ.
TextͬÑùÒ²·ÖΪËÄÖÖÀàÐÍ:TINYTEXT¡¢TEXT¡¢MEDIUMTEXTºÍLONGTEXT
2.
blob±»ÊÓΪ¶þ½øÖÆ×Ö·û´®,Text±»ÊÓΪ·Ç¶þ½øÖÆ×Ö·û´®;
blobÁÐûÓÐ×Ö·û¼¯£¬²¢ÇÒÅÅÐòºÍ±È½Ï»ùÓÚÁÐÖµ×Ö½ÚµÄÊýÖµÖµ¡£ ......

vc6 mysql Á¬½Ó

ÔÚÄãµÄ³ÌʽÖÐʹÓÃ數據庫ÊÇ個²»錯µÄ×¢Òâ¡£Èç¹ûÒÑ經ÓпÉÓõÄMySQL·þ務Æ÷£¬ÔÚVCÖпÉÒÔ°´ÕÕÈçÏ·½·¨實現與數據庫µÄ駁½Ó¡£
1¡¢ÕÒ來MySQL(Win32)°²裝Ä¿錄ϵÄincludeÎļþ夾£¬ 將ÆäÌí¼Óµ½VC頭ÎļþÄ¿&# ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ