ID           int autonumber -- integer primary key for performance
DomainID     int            -- null for domains
Name         varchar(100)   -- Name of the item
Description  varchar(255)

ID           int autonumber -- integer primary key for performance
DomainID     int            -- null for domains
Name         varchar(100)   -- Name of the item
Description  varchar(255)

ID           int autonumber -- integer primary key for performance
DomainID     int            -- null for domains
Name         varchar(100)   -- Name of the item
Description  varchar(255)

ID    DomainID   Name              Description

 100   NULL       ISO Currencies    List of ISO Currency codes
 101   100        BHD               Bahrain Dinar
 102   100        GBP               British Pound
 103   100        EUR               Euro
 104   100        USD               US Dollar