Currencies

A currency is a system of money (monetary units) in common use. Standardization (like Reuters) facilitates exchanges between currencies.

Example: 'EUR' is the standard code for the Euro. It might have a display code '€' or 'Eur'.

A currency has the following fields:

Code

The functional identifier of the currency

Display Code

The display code of the currency

Description

The description of the currency

Default?

Is this currency the default currency? (there should be one and only one default currency)