Filtering table fields to show unique values (Production Mapping)
The Unique Filter options allows you to filter data so only one occurrence of any repeating value is returned.
- Start ArcMap.
 - Load a map document that contains a graphic table element.
 - Verify that you are in layout view if necessary.
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Right-click the graphic table element and click Properties.
The Table Properties dialog box appears.
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If necessary, click the Data Source tab.
The Data Source tab appears.
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Click the data source you want to use in the Data Source list on the Data Source tab.
The chosen data source is highlighted, and the Filters button becomes available.
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Click Filters.
The Data Filters dialog box appears.
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 Click Add Filter on the Data Filters dialog box and click Unique Filter.
Tip:You can also right-click in the Filter area and click Add Modify Filter > Unique Filter.
The Unique Options dialog box appears.
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Click Add Table Fields.
Tip:You can also right-click and click Add Table Fields.
The Table Fields Selector dialog box appears with a list of data source fields for selection.
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Click to choose the field you want to add.
Tip:You can choose more than one field by pressing CTRL and clicking additional fields.
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Click OK.
The Unique options dialog box appears.
 - Repeat steps 9–11 if necessary until all the fields you want are added.
 - To further refine data source filtering, you can copy, delete, or sort rows or copy cells.
- To copy a cell, right-click a cell and click Copy Cell.
 - To copy a row, right-click a row and click Copy Selected Row.
 - To delete a row, right-click a row and click Delete.
 - To sort a row, right-click a row and click Move Up or Move Down.
 

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Click OK.
The Data Filters dialog box appears with the filter table populated with the filtering options you have defined.
 - To further refine data source filtering, you can copy, delete, and sort rows; copy cells; or modify properties.
- To copy a cell, right-click an operator or filter type cell and click Copy Cell.
 - To copy a row, right-click an operator or filter type row and click Copy Selected Row.
 - To delete a row, right-click a row and click Delete.
 - To sort a row, right-click a row and click Move Up or Move Down.
 - To modify or redefine the filter configurations you defined previously, right-click a row and click Properties.
 

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Click OK on the Data Filters dialog box.
The Table Properties dialog box appears.
 - Click OK.