好大的体积

Question

使用access数据库*.mdb,ado访问，程序中需要对记录多次删除和添加，运行多次后，*.mdb体积越来越大，即使
删除所有记录体积也只增不减少。如何整理数据库，使其体积恢复正常。记得在dbase里，运行delete 后需要pack 来清理记录，delphi中也这样吗？

Answer 1

//=============================================================================
// Procedure: CompactDatabase
// Author   : ysai
// Date     : 2003-01-27
// Arguments: AFileName,APassWord:string
// Result   : boolean
//=============================================================================
function CompactDatabase(AFileName,APassWord:string):boolean;
//压缩与修复数据库,覆盖源文件
var
 STempFileName:string;
 vJE:OleVariant;
begin
 STempFileName:=GetTempPathFileName;
 try
   vJE:=CreateOleObject('JRO.JetEngine');
   vJE.CompactDatabase(format(SConnectionString,[AFileName,APassWord]),
       format(SConnectionString,[STempFileName,APassWord]));
   result:=CopyFile(PChar(STempFileName),PChar(AFileName),false);
   DeleteFile(STempFileName);
 except
   result:=false;
 end;
end;

Answer 2

http://www.delphifans.com/infoview/Article_1.html

Answer 3

使用ADO中JRO.dll就可以了Microsoft Jet and Replication Objects 2.6 Library

Answer 4

顶！access 在这方面太差劲了