Stdle #32 · grouping · 2026-07-08
What does this SQL snippet output?
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
CREATE TABLE t(v INTEGER);INSERT INTO t VALUES (3),(1),(2),(1),(NULL);SELECT COUNT(DISTINCT v) FROM tGrouping
Stdle #32 · grouping · 2026-07-08
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
CREATE TABLE t(v INTEGER);INSERT INTO t VALUES (3),(1),(2),(1),(NULL);SELECT COUNT(DISTINCT v) FROM t