Name   Shows the name of the domain.

Type   Shows the type of object.

Creator   Shows the database user who created and owns the domain.

Base type   Shows the pre-defined data type of the domain. If the data type has a format, it is listed after the type's name.

Allows null   Shows whether columns based on the domain allow NULLs.

Default value   Shows the default value of the domain. If the domain does not have a default value, nothing appears. Columns based on the domain inherit the default value, but you can subsequently override it.