How to: Exclude Duplicate Rows
If you want to see only unique values in a result set, you can specify that you want to exclude duplicates from the result set.
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The dialog boxes and menu commands you see might differ from those described in Help depending on your active settings or edition. To change your settings, choose Import and Export Settings on the Tools menu. For more information, see Working with Settings.
To exclude duplicate rows from the result set
Right-click the background of the Diagram pane, then choose Properties from the shortcut menu.
In the Property window, click Distinct values and set the value to Yes.
The Query and View Designer inserts the keyword DISTINCT in front of the list of display columns in the SQL statement.
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If you use the DISTINCT keyword you may not be able to modify the result set in the results pane.
See Also
Tasks
How to: Select Rows that Do Not Match a Value