k programming language download ($sudo chmod +x k)

kOS one system. all devices. from scratch.

kDB store anything. compute anything. fast.

 run million+ statements per second, e.g.

  trade,:(time,ex,price,size)  / insert
  ebook,:(ex,time,price,size)  / upsert
  select last time from trade  / select
  ..

 query billion+ rows per second, e.g. 

  select avg size from trade
  select time,price,size from trade where 0<deltas price  / upticks
  select time,price,bid from(trade;quote)where price<bid  / asof join
  select size avg price by time.minute from trade         / minute vwaps
  ..

examples