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You create a calculated field for the Domain by writing an expression that computes a value based on the data in another column or columns. In order for the value to be coherent, all columns that appear in the expression for a calculated field must be from the same join tree. 

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   Cancel any input in the Calculated Field Editor.

   
   
   

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   In the Available Fields panel, double-click the name of the field you wish to edit.

   
   
   

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   Modify the contents of the Field Name, Type, or Expression fields.

   
   
   

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   Click the Save Field button to save the new definitions. To delete the calculated field from the Domain, click the Delete Field button. To cancel any changes, click the Cancel button.

   
   
   

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