forex(origin: text, destination: text) 🡒 date, pure function
Returns the date of the latest exchange rate found for a pair of currencies. The currencies should be encoded with their canonical three-letter codes. Not all exchange rates are uploaded daily to the European Central Bank.
table T = with
[| as Code |]
[| "JPY" |]
[| "USD" |]
[| "EUR" |]
show table "to CHF" a1b3 with
T.Code
lastForex(T.Code, "CHF")