📄 admsckeycreationexample.htm

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<title>创建关键字范例</title>
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<h2><a name="admsckeycreationexample"></a>创建关键字范例</h2>
<p><a href="dir.htm">目录</a></p>
<p>
如下代码演示如何创建新的外部关键字。假定已存在两个表（Customers 和 Orders）。</p>
<pre>Sub CreateKey()   Dim kyForeign As New ADOX.Key
   Dim cat As New ADOX.Catalog   cat.ActiveConnection = "Provider=Microsoft.Jet.OLEDB.4.0;" &amp; _
      "Data Source=c:\Program Files\Microsoft Office\" &amp; _
      "Office\Samples\Northwind.mdb;"   kyForeign.Name = "CustOrder"
   kyForeign.Type = adKeyForeign
   kyForeign.RelatedTable = "Customers"
   kyForeign.Columns.Append "CustomerId"
   kyForeign.Columns("CustomerId").RelatedColumn = "CustomerId"
   kyForeign.UpdateRule = adRICascade
   cat.Tables("Orders").Keys.Append kyForeignEnd Sub
</pre>
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