Data Dungeon
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Chamber 56 · Fractured Transept

Hollow Join

LEFT JOIN + COALESCE

LEFT JOINCOALESCE+340 XP
Locked

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Briefing

Every saint must appear — even those with no assigned chapel. Fill missing chapel names with 'Unassigned'.

Objective

Return saint name and COALESCE(chapel, 'Unassigned') as chapel via LEFT JOIN, ordered by saint name.

Hint

LEFT JOIN chapels, COALESCE the chapel column, ORDER BY saints.name.

Chamber schema

saints3 cols

Cathedral saints

idnamechapel_id
chapels2 cols

Chapel names

idchapel
chamber_56.sql

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

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