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4 changes: 2 additions & 2 deletions air-quality/schema.sql
Original file line number Diff line number Diff line change
Expand Up @@ -5,14 +5,14 @@ CREATE DATABASE airquality;
CREATE EXTENSION IF NOT EXISTS timescaledb CASCADE;

CREATE TABLE measurement_types (
parameter_id SERIAL PRIMARY KEY,
parameter_id INT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
parameter TEXT NOT NULL,
unit TEXT NOT NULL,
UNIQUE(parameter, unit)
);

CREATE TABLE locations (
location_id SERIAL PRIMARY KEY,
location_id INT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
city_name TEXT NOT NULL,
country_name TEXT NOT NULL,
location_name TEXT NOT NULL,
Expand Down