How to Logically Restrict a Layer

1. In the Table of Contents (TOC), click on the desired layer once to activate it.
2. Right click on the layer and choose Properties.
3. Click on the Definition Query tab and then click the Query Builder button.
4. Double click the field you wish to restrict in the fields list, single click the operator and double click the values available from the values column.  (Click the Complete List button to see all the values of the selected field).
5. Verify that the expression was executed successfully.
6. Click OK to close the dialog box.
7. Click Apply and OK to close the Layer Properties box.

In the example provided, fields are restricted to those discovered after 1970.

Video of Example

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