-- Plate-to-vehicle lookup table (tenant DB) -- Allows instant vehicle identification from Mexican license plates. CREATE TABLE IF NOT EXISTS plate_vehicles ( id SERIAL PRIMARY KEY, plate VARCHAR(20) UNIQUE NOT NULL, make VARCHAR(100), model VARCHAR(100), year INTEGER, vin VARCHAR(17), customer_id INTEGER REFERENCES customers(id), created_at TIMESTAMPTZ DEFAULT NOW() ); CREATE INDEX IF NOT EXISTS idx_plate_vehicles_plate ON plate_vehicles(plate); CREATE INDEX IF NOT EXISTS idx_plate_vehicles_customer ON plate_vehicles(customer_id);