#SecondoTTYBDB

list databases

list algebras

list algebra RTreeAlgebra

{close database | open database opt}

query 3 * 5



{delete x | create x: int}

update x := 7



{delete inc | let inc = fun(n:int) n + 1}

query inc(inc(7))





query Orte

query plz count

query plz feed filter[.Ort = "Hagen"] consume

query plz_Ort plz exactmatch["Hagen"] consume

query Orte feed {o} plz feed {p} hashjoin[Ort_o, Ort_p, 99997] count