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You may experience slow performance when you view records in a table that contains a lookup field in Access 2007

Article ID:918575
Last Review:November 3, 2006
Revision:1.1
This article applies to a Microsoft Access database (.mdb) and to a Microsoft Office Access 2007 database (.accdb).

SYMPTOMS

In Access 2007, you may experience slow performance when you view records in a table that contains a lookup field. This problem also occurs when you view the records in a query.

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CAUSE

This problem occurs because the bound column in the lookup table for the lookup field does not contain an index.

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RESOLUTION

To resolve this problem, create an index for the bound column in the lookup table. To do this, follow these steps:
1.Start Access 2007.
2.Open the database.
3.Find the bound column:
a. In Design View, open Table A.

Note Table A represents a table that contains a lookup field.
b. Click the lookup field, click the Lookup tab, and then note the value in the Bound Column field.
c. In the Row Source field, use the value that you noted in step 3b to find the name of the bound column.
4.Create the index:
a. In Design View, open Table B.

Note Table B represents a lookup table.
b. Click the name of the bound column that you found in step 3c.
c. On the Design tab, click Indexes in the Show/Hide group.
d. In the Indexes window, create an index for this column, and then close the window.

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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APPLIES TO
Microsoft Office Access 2007

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Keywords: 
kbexpertisebeginner kbtshoot kbprb KB918575

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