At any time in the life of a geodatabase, a new attribute domain can be created using the Domains properties dialog box.
You can create new attribute range domains, or you can create coded value domains.
If a feature class has subtypes, domains must be applied at the subtype level and not at the fields level. See
Creating subtypes.
- In the ArcCatalog tree, right-click the geodatabase and click Properties.
- Click the Domains tab.
- Click the first empty field under Domain Name and type a name for the new domain.
NOTE: Do not use special characters, such as backslashes, in domain names if using a PostgreSQL database.
- Press the Tab key, or click the new domain's description field and type a description for the domain.
- Click the field next to Field Type, click the drop-down arrow, then click the type of attribute field to which this domain will be applied.
- Click the field next to Domain Type, click the drop-down arrow, then click Range from the list of domain types.
- Click the field with the minimum value for the range domain, and type the minimum value. Do the same for the maximum value.
- Click the field next to Split policy, click the drop-down arrow, and click the split policy for the new domain. Do the same for the merge policy.
- Click Apply to create the new domain in the geodatabase, or click OK to create the domain and close the dialog box.
Tip
- Range domains can't be created for text fields. They can only be applied to numeric and date fields.
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- In the ArcCatalog tree, right-click the geodatabase and click Properties.
- Click the Domains tab.
- Click the first empty field under Domain Name and type a name for the new domain.
NOTE: Do not use special characters, such as backslashes, in domain names if using a PostgreSQL database.
- Press the Tab key, or click the new domain's description field and type a description for the domain.
- Click the field next to Field Type, click the drop-down arrow, then click the type of attribute field to which this domain will be applied.
- Click the field next to Domain Type, click the drop-down arrow, then click Coded Values from the list of domain types.
- Click the first empty field under Coded values and type the first valid code.
- Press the Tab key, or click the new coded value's Description field. Type a user-friendly description for this coded value.
- Repeat steps 7 and 8 until all valid values and their descriptions have been typed.
- Click the field next to Split policy, click the drop-down arrow, then click the split policy for the new domain. Do the same for the merge policy.
- Click Apply to create the new domain in the geodatabase, or click OK to create the domain and close the dialog box.
Tips
- When you add a new value to a domain's coded value list, you must also add a more user-friendly description. When you edit an attribute value for a field that has this domain, the user-friendly values appear in the ArcMap Editor. Descriptions help you select the right value.
- Coded value domains support default value and duplicate split policies only.
- Coded value domains support the default value merge policy only.
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