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Article View: borland.public.cppbuilder.database.ado
Article #2571

Re: Compacting a DB from the Builder

#2571
From: Viatcheslav V. Vassiliev
Date: Wed, 28 May 2003 13:06
47 lines
2405 bytes
Import "Microsoft Jet and Replication Objects 2.x Library".

#include <JRO_TLB.h>
...
void __fastcall TForm1::Button1Click(TObject *Sender)
{
 IJetEngine * JetEngine = NULL;
 CoCreateInstance(CLSID_JetEngine, NULL, CLSCTX_INPROC_SERVER,
  IID_IJetEngine, (void**) &JetEngine);
 try
 {
  WideString Source = "Provider=Microsoft.Jet.OLEDB.4.0;"
   "Data Source=C:\\Test\\Test.mdb;";
  WideString Dest = "Provider=Microsoft.Jet.OLEDB.4.0;"
   "Data Source=C:\\Test\\Compacted.mdb;";

  JetEngine->CompactDatabase(Source.c_bstr(), Dest.c_bstr());
 }
__finally
 {
  JetEngine->Release();
 }
}


You can compact database from one file into another. There should be no
users connected to database. Add error checking to this code.

----------------------------------------------------------------
Regards,
Viatcheslav V. Vassiliev
http://www.oledbdirect.com
The fastest way to access MS SQL Server, MS Jet (MS Access)
and Interbase (through OLEDB) databases.

"P�r Buschka" <par.buschka@tech.oru.se> �������/�������� � ��������
���������: news:3ed4afee$1@newsgroups.borland.com...
> Hi,
>
> I want to compact an Access2000 database programmatically from within a
> program, using CppBuilder 6. I wonder if this is possible and in that case
> how to do it?
>
> Thanks in advance
> P�r
>
>
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From: "Viatcheslav V. Vassiliev" <support@oledbdirect.com>
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Subject: Re: Compacting a DB from the Builder
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