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db/migrations/003_property.sql
20 lines
-- M-P1 property-level detail layer.
-- parcel_source: registry of which counties have parcel-level data and where it lives.
-- County-level NRI/FMR metrics go into metric_series (no new columns needed).
CREATE TABLE parcel_source (
county_fips TEXT PRIMARY KEY,
source_kind TEXT, -- 'sqlite' | 'pg' | 'api' | ...
path_or_url TEXT,
parcel_count INT,
notes TEXT,
loaded_at TIMESTAMPTZ
);
-- FEMA National Risk Index display strings (scores live in metric_series source 'fema_nri')
CREATE TABLE nri_ratings (
county_fips TEXT PRIMARY KEY,
risk_rating TEXT, -- 'Very Low' .. 'Very High'
top_hazards JSONB -- top 3 by hazard risk score: [{hazard, score}, ...]
);