label TEXT
);
+-- Use the ISO 4217 abbreviations for currency codes
INSERT INTO acq.currency_type (code, label) VALUES ('USD','US Dollars');
INSERT INTO acq.currency_type (code, label) VALUES ('CAD','Canadian Dollars');
INSERT INTO acq.currency_type (code, label) VALUES ('EUR','Euros');
CONSTRAINT exchange_rate_from_to_once UNIQUE (from_currency,to_currency)
);
-INSERT INTO acq.exchange_rate (from_currency,to_currency,ratio) VALUES ('USD','CAN',1.2);
+INSERT INTO acq.exchange_rate (from_currency,to_currency,ratio) VALUES ('USD','CAD',1.2);
INSERT INTO acq.exchange_rate (from_currency,to_currency,ratio) VALUES ('USD','EUR',0.5);
CREATE TABLE acq.provider (