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PostgreSQL Maestro online Help

Specifying Domain properties

Specify the properties for the new Domain according to your needs. The detailed description is given below.
 

Name

Specify a name for the domain.

Owner

Select the owner of the Domain from the drop-down list. By default, only the owner of an object can perform various operations with the object. In order to allow other users to operate it, privileges must be granted. (However, users that have the superuser attribute can always access any object.)

Comment

Supply a comment to the Domain if necessary.

Data Type

Select the underlying data type for the Domain. This may include array specifiers.

Not Null

The checkbox indicates that the values of the Domain are not allowed to be null.

Collation

Use the field to specify the sort order and character classification behavior of data. If no collation is specified, the underlying data type's default collation is used.

Default Value

The field is used to specify a default value for the columns of the domain data type. The field value may contain any variable-free expression (however, subqueries are not allowed). The data type of the default expression must match the data type of the domain. If no default value is specified then the default value is the null value.