Samsung is sunsetting its own chat app while Apple adds end-to-end encryption to its already-live RCS, hinting that the final texting firewall might soon drop. Meanwhile, Cloudflare drafts a ...
-- using join- use to join Product and Sales, and get product name, instead of doing a nester query ...
-- if free = 1 and either of lag_free or lead_free is 1, it means we have 2 consecutive free seats. lag(free, 1) over(order by seat_id) as lag_free, lead(free, 1 ...