Chamber 68 · Tangled Archives
Corridor Whisper
Correlated EXISTS
EXISTSSubquery+455 XP
Locked
Clear the previous chamber to unlock this one. You can still preview the briefing.
Briefing
The corridor only admits weavers who hold a hot thread — EXISTS checks each weaver against their own spool.
Objective
Return weaver name where EXISTS a thread with weaver_id match and tension > 60.
Hint
EXISTS (SELECT 1 FROM threads WHERE weaver_id = weavers.id AND tension > 60).
Chamber schema
weavers2 colsWeavers in the corridor
idname
threads3 colsThread tensions by weaver
idweaver_idtension
chamber_68.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.