Data Dungeon
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Chamber 63 · Warp Hall

Anchor Thread

Filter inside a CTE

WITHWHERE+415 XP
Locked

Clear the previous chamber to unlock this one. You can still preview the briefing.

Briefing

Name the north-wing threads in WITH, then filter the CTE — the warp is set before the shuttle cuts.

Objective

Return name and tension from north threads with tension >= 40 via WITH north AS (...).

Hint

WITH north AS (SELECT … WHERE wing = 'North'), filter tension >= 40, ORDER BY tension DESC.

Chamber schema

threads4 cols

Named threads by wing and tension

idnametensionwing
chamber_63.sql

Results appear here after you run a query. Correct rows alone are not enough — the Warden must seal your loot.

Ask the Warden

AI SQL coach — hints and fail reviews, not spoilers

Warden

I am the Warden. Ask for a hint, paste a failing query, or request a review — I won't hand you the full answer.