MySQLÖÐÓÃsqlÓï¾ä²åÈëʱÆÚ
mysql> create table testdate(
-> id int not null auto_increment primary key,
-> time date);
Query OK, 0 rows affected (0.30 sec)
mysql> insert into testdate(time) values('2010-4-23');
Query OK, 1 row affected (0.06 sec)
mysql> select * from testdate;
+----+------------+
| id | time |
+----+------------+
| 1 | 2010-4-23|
+----+------------+
1 row in set (0.00 sec)
mysql> alter table testdate add column current time;
Query OK, 1 row affected (0.25 sec)
Records: 1 Duplicates: 0 Warnings: 0
mysql> update testdate set current='21:18:00' where id=1;
Query OK, 1 row affected (0.06 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> select * from testdate;
+----+------------+----------+
| id | time | current |
+----+------------+----------+
| 1 | 2010-4-23 | 21:18:00 |
+----+------------+----------+
1 row in set (0.00 sec)
mysql> alter table testdate add column combine timestamp;
Query OK, 1 row affected (0.14 sec)
Records: 1 Duplicates: 0 Warnings: 0
mysql> update testdate set combine='20050504212000' where id=1;
Query OK, 0 rows affected (0.00 sec)
Rows matched: 1 Changed: 0 Warnings: 0
mysql> select * from testdate;
+----+------------+----------+---------------------+
| id | time | current | combine |
+----+-------
Ïà¹ØÎĵµ£º
ÎÊÌâÊÇÕâÑùµÄ£º
Ò»ÕÅtestµÄ±í£¬×Ö·û¼¯²ÉÓõÄlatin1¡£
select to_id from test where to_id='cnÏó_Íõ';
+---------------+
| to_id |
+---------------+
| cnÌÕ_ÌÕ |
| cnÏó_Íõ |
+---------------+
2 rows in set (0.00 sec)
È¡cnÏó_ÍõµÄÊý¾Ý,¾ÓÈ»°ÑcnÌÕ_ÌÕµÄÊý¾ÝҲȡ»ØÀ´ÁË¡£
ÕâÏÔÈ»ÊDz»ÔÊÐíµÄ¡£
......
<?php
class mysql {
/*+++++++++++++++Êý¾Ý¿â·ÃÎÊÀà++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/
//=================================================
//Á¬½ÓÊý¾Ý
private $Hos ......
ÔÚFC8ÖÐĬÈϰ²×°µÄÓÐmysql£¬Ã»Óеϰ¿ÉÒԺܷ½±ãµÄ°²×°Ï¡£
ĬÈϵÄmysqlµÄincludeÎļþĿ¼ÔÚ/usr/include/mysql
ĬÈϵÄmysqlµÄlibÎļþ¼ÐÔÚ/usr/lib/mysql
ÕâÁ½¸öĿ¼ÔÚÎÒÃDZàÒëʱºòÐèÒªµ½¡£
ÎҵIJâÊÔÓõÄC´úÂëΪ£º
££include <stdio.h>
#include <stdlib.h>
#include <mysql.h>
#define CONN_HOST ......
Ò»¡¢×ÛÊö
ÃüÃûºÍ±àÂë¹ý³ÌÖУ¬¶¨ÒåÓÐÒâÒåµÄÃû³Æ£¬ÒÔÒ×ÓÚÀí½â¡¢·½±ãÊéдΪÔÔò¡£
£¨1£©±ÜÃâʹÓÃÖÐÎÄ£¬¾¡Á¿Ê¹ÓÃȫƴÒô»òȫӢÎÄ£¬ÒÔ·½±ã¹ú¼Ê»¯£»
£¨2£©±ÜÃâÆ´ÒôºÍÓ¢ÎĵÄÖÐÎ÷ºÏèµ£¬È磺CAOZUO_TIME£»
£¨3£©±ÜÃâÔÚÃüÃûÖаüÀ¨¿Õ¸ñ¼°ÌØÊâ×Ö·û£»
£¨4£©±ÜÃâʹÓñ£Áô×Ö£»
£¨5£©±ÜÃâÃû³ÆÌ«³¤£¬×¢ÒâËõдµÄʹÓã¬Ëõд¹æÔòΪµ¥´Êǰ4¸ ......