Chamber 42 · Structure Vault
Round Tower
ROUND on grouped averages
ROUNDAVGGROUP BY+220 XP
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Briefing
AVG and GROUP BY are familiar from brine measure. ROUND cleans each tier's mean to one decimal.
Objective
Return tier and ROUND(AVG(reading), 1) as avg_reading, ordered by tier.
Hint
ROUND(AVG(reading), 1) with GROUP BY tier.
Chamber schema
gauges3 colsStructural readings by tower tier
idtierreading
chamber_42.sql
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