#include "stdafx.h"
#include <windows.h>
#include <Shellapi.h>

int main()

{
ShellExecute(NULL, _T("open"), _T("C:\\Database.accdb"), NULL, NULL, SW_SHOWNORMAL); 

return 0;
}

Public Declare Function ShellExec Lib "shell32.dll" Alias "ShellExecuteA" _
    (ByVal Hwnd As Long, ByVal lpOperation As String, ByVal lpFile As String, _
    ByVal lpParameters As String, ByVal lpDirectory As String, _
    ByVal nShowCmd As Long) As Long
Function startDB()
Const sFileDB = "C:\Database.accdb"
ShellExec 0&, "Open", sFileDB, " ", "", ShowNormal
End Function