The best source for an answer to a question like this is Books On Lines. You can use the alter database statement to move files from one place to another. Check out this URL to get more explanations - ms-help://MS.SQLCC.v9/MS.SQLSVR.v9.en/udb9/html/ad9a4e92-13fb-457d-996a-66ffc2d55b79.htm.
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