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在线压缩Access数据库

时间:2007-12-23  来源:不详  作者:迈克DB
While working on BuildDB/Buildapp online Demo, I developed a little function that will compact Access databases over the web. Here's a "no-frills" page that'll compact the databases for you.
One problem with Access databases is that "holes" are created when records are deleted, making the database fluffy and bloated. Compacting the database makes it lean and efficient again. 内容来自dedecms

Note: This function/page can easily be combined with the Buildapp front end file navigation and search pages (Installment II), to create an application that'll make it easy to handle this formerly troublesome chore for all the databases on your machine/web site..

内容来自dedecms


Begin Compact.
<%
option explicit
Const JET_3X = 4 织梦内容管理系统

Function CompactDB(dbPath, boolIs97)
Dim fso, Engine, strDBPath
strDBPath = left(dbPath,instrrev(DBPath,"\"))
Set fso = CreateObject("Scripting.FileSystemObject") 本文来自织梦

If fso.FileExists(dbPath) Then
Set Engine = CreateObject("JRO.JetEngine")

内容来自dedecms

If boolIs97 = "True" Then
Engine.CompactDatabase "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & dbpath, _
"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & strDBPath & "temp.mdb;" _
& "Jet OLEDB:Engine Type=" & JET_3X
Else
Engine.CompactDatabase "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & dbpath, _
"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & strDBPath & "temp.mdb"
End If
fso.CopyFile strDBPath & "temp.mdb",dbpath
fso.DeleteFile(strDBPath & "temp.mdb")
Set fso = nothing
Set Engine = nothing
CompactDB = "Your database, " & dbpath & ", has been Compacted" & vbCrLf
Else
CompactDB = "The database name or path has not been found. Try Again" & vbCrLf
End If

本文来自织梦

End Function
%>
<html><head><title>Compact Database</title></head><body>

本文来自织梦

<h2 align="center"> Compacting an Access database</h2>
<p align="center">
<form action=compact.>
Enter relative path to the database, including database name.<br><br>
<input type="text" name="dbpath"><br><br>
<input type="checkbox" name="boolIs97" value="True"> Check if Access 97 database
<br><i> (default is Access 2000)</i><br><br>
<input type="submit">
<form>
<br><br>
<%
Dim dbpath,boolIs97
dbpath = request("dbpath")
boolIs97 = request("boolIs97") dedecms.com

If dbpath <> "" Then
dbpath = server.mappath(dbpath)
response.write(CompactDB(dbpath,boolIs97))
End If
%>
</p></body></html>

dedecms.com

End Code
   压缩

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