#include "iostream.h"
#include "stdio.h"
#import "C:\program files\common files\system\ado\msado15.dll" no_namespace rename("EOF","adoEOF")
int main(int argc, char* argv[])
{
::CoInitialize(NULL);
_ConnectionPtr m_pConnection;
m_pConnection.CreateInstance("ADODB.Connection");
try
{
m_pConnection->Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Database\\mydb.mdb","","",adModeUnknown);
//m_pConnection->Open("Server=192.168.0.150,1433;uid=sa;pwd=123456;DATABASE=temp;Provider=SQLOLEDB;","","",-1);//Á¬½ÓSQL Server
}
catch(_com_error e)
{
cout<<"Êý¾Ý¿âÁ¬½Óʧ°Ü£¬È·ÈÏÊý¾Ý¿âmydb.mdbÊÇ·ñÔÚµ±Ç°Â·¾¶ÏÂ!"<<endl;
return FALSE;
}
_RecordsetPtr m_pRecordset;
m_pRecordset.CreateInstance("ADODB.Recordset");
try
{
m_pRecordset->Open("SELECT * from test",
m_pConnection.GetInterfacePtr(),
adOpenDynamic,
adLockOptimistic,
adCmdText);
}
catch(_com_error *e)
{
cout<<e->ErrorMessage()<<endl;
}
_variant_t var;
char *ID,*name;
try
{
if(!m_pRecordset->BOF)
m_pRecordset->MoveFirst();
else {
cout<<"±íÄÚÊý¾ÝΪ¿Õ"<<endl;
return 1;
}
while(!m_pRecordset->adoEOF)
{
ΪÁË´¦Àí SQL Óï¾ä£¬ORACLE ±ØÐë·ÖÅäһƬ½ÐÉÏÏÂÎÄ( context area )µÄÇøÓòÀ´´¦ÀíËù±ØÐèµÄÐÅÏ¢£¬ÆäÖаüÀ¨Òª´¦ÀíµÄÐеÄÊýÄ¿£¬Ò»¸öÖ¸ÏòÓï¾ä±»·ÖÎöÒÔºóµÄ±íʾÐÎʽµÄÖ¸ÕëÒÔ¼°²éѯµÄ»î¶¯¼¯(active set)¡£
ÓαêÊÇÒ»¸öÖ¸ÏòÉÏÏÂÎĵľä±ú( handle)»òÖ¸Õ롣ͨ¹ýÓα꣬PL/SQL¿ÉÒÔ¿ØÖÆÉÏÏÂÎÄÇøºÍ´¦ÀíÓï¾äʱÉÏÏÂÎÄÇø»á·¢ÉúЩʲôÊÂÇ ......