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http://download.csdn.net/source/1047386
 #include "stdafx.h"
#include <windows.h>
#include <winsock2.h>
#include "mysql\include\mysql.h"
//ºöÂÔLIBCMT.lib, MSVCRTD.libÕâЩ¿â£¬²»È»Á´½Óʱ»á±¨lnk2005´íÎó
#pragma comment(linker,"/nodefaultlib:LIBCMT.lib")
#pragma comment(linker,"/nodefaultlib:MSVCRTD.lib")
/*ÓÃmysqlclient.lib,²»ÒªÓÃlibmysql.lib,Òª²»ÄãÒª¶à´øÒ»¸ölibmysql.dll
¾²Ì¬¿âÓÐÁ½¸ö£¬Ò»¸öÊÇdebug°æµÄ£¬Ò»¸öÊÇrelease°æµÄ£¬Òª×¢Òâ
*/
#if defined _DEBUG
#pragma comment(lib, "mysqlclient_debug.lib")
#else
#pragma comment(lib, "mysqlclient.lib")
#endif
#pragma comment(lib, "wsock32.lib")
#pragma comment(lib, "Advapi32.lib")
int _tmain(int argc, _TCHAR* argv[])
{
MYSQL* mysql = NULL;
mysql = mysql_init(mysql);
MYSQL_RES* res;
MYSQL_ROW record;
mysql_real_connect(mysql, "192.168.0.240", "root","root", "amx", 3306, NULL, NULL);
mysql_query(mysql, "select auth, password, access from admins where length(access)>3");
res = mysql_store_result(mysql);
while((record=mysql_fetch_row(res)))
{
printf("auth=%s,password=%s,access=%s\n", record[0], record[1], record[2]);
}
mysql_free_result(res);
mysql_close(mysql);
return 0;
}


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SELECT article, dealer, price
from   shop
WHERE  price=(SELECT MAX(price) from shop);
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mysql> use information_schema
Database changed
mysql> select concat(round(sum(index_LENGTH)/(1024*1024),2),'MB') as 'Data Size' from tables where table_schema='bbs';
+-----------+
| Data Size |
+-----------+
| 0.00MB    |
+-----------+
1 row in set (0.01 sec)
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