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ÔÚVC6ÖÐʹÓÃc API·½Ê½Á¬½ÓMySQLÊý¾Ý¿â
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1¡¢ÔÚMySqlµÄ¹Ù·½ÍøÕ¾ÏÂÔØmysql-connector-c-noinstall£¬²¢½«½âѹºóµÄbinºÍincludeÎļþ¼Ð¿½±´µ½MysqlµÄ°²×°Ä¿Â¼
2¡¢ÉèÖÃVC6»·¾³£¬ÔÚvc¹¤¾ß-Ñ¡Ïî-Ŀ¼£¬¼ÓÈë¸Õ²ÅµÄIncludeÎļþ¼ÐµÄ·¾¶£¬ÀýÈ磺C:\Program Files\MySQL\MySQL Server 5.1\include
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3¡¢½«libÎļþ¼ÐÖеÄlinmysql.libºÍlibmysql.dll¿½±´µ½¹¤³ÌĿ¼Ï£¬¹¤³Ì-ÉèÖÃ-Á¬½Ó£¬ÔÚ¶ÔÏó/¿âÄ£¿éÖÐÌí¼Ówsock32.libºÍlibmysql.lib
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4¡¢Ïȵ¼Èë²âÊÔ³ÌÐòËùÐèµÄ»·¾³£¬½«ÒÔÏÂSQLÓï¾ä±£´æÎªsql½Å±¾Îļþ²¢µ¼Èë
#VC6ͨ¹ýAPIÁ¬½ÓMysql²âÊÔ»·¾³
#´´½¨Êý¾Ý¿â
drop database if exists `test`;     #Èç¹ûÓÐÕâ¸öÊý¾Ý¿â£¬ÔòÒÆ³ýËü create database test;               #´´½¨Êý¾Ý¿â
use test;           #ʹÓÃÊý¾Ý¿â
#´´½¨±íUser£¬±£´æ»áÔ±ÊôÐÔ
drop table if exists `User`;
create table User (
    id int(11) not null auto_increment,
    name varchar(20),
    age int(11),
    primary key (id)
);
#²åÈëһЩÊý¾Ý
insert into user values (NULL, 'name1', 11);
insert into user values (NULL, 'name2', 22);
insert into user values (NULL, 'name3', 33);
5¡¢²âÊÔ´úÂë
#include <windows.h>
#include <mysql.h>
#include "stdio.h"
MYSQL mysql, *sock; //mysqlÁ¬½Ó
MYSQL_RES *res; //Õâ¸ö½á¹¹´ú±í·µ»ØÐеÄÒ»¸ö²éѯ½á¹û¼¯
MYSQL_ROW row; //Ò»¸öÐÐÊý¾ÝµÄÀàÐͰ²È«(type-safe)µÄ±íʾ
char query[150]; //²éѯÓï¾ä
bool ConnectDatabase(); //º¯ÊýÉùÃ÷
void FreeConnect();
bool QueryDatabase();
bool InsertData();
int main()
{
ConnectDatabase();
QueryDatabase();
InsertData();
QueryDatabase();
FreeConnect();
return 0;
}
//Á¬½ÓÊý¾Ý¿â
bool ConnectDatabase()
{
//³õʼ»¯mysql
mysql_init(&mysql); //Á¬½Ómysql£¬Êý¾Ý¿â
if (!(sock = mysql_real_connect(&mysql,"localhost", "root", "root", "test",0,NULL,0)))
{
printf( "Error connecting to datab


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select * from people
where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1)
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