Right here comes massive information expertise that rivals clusters on a single machine | by Cássio Bolba | Dec, 2023

For a selected instance, the spatiotemporal collision downside talked about earlier has a complete information quantity of about 25 billion rows, and SQL doesn’t appear very complicated: WITH DT AS ( SELECT DISTINCT id, ROUND(tm/900)+1 as tn, loc FROM T WHERE tm<3*86400)SELECT * FROM (SELECT B.id id, COUNT( DISINCT B.tn ) cntFROM DT AS A … Read more