text: CREATE TABLE IF NOT EXISTS t_schedule (
      sc_id SERIAL PRIMARY KEY,
      sc_name VARCHAR(64) NOT NULL,
      sc_friendly_name VARCHAR(64) NOT NULL,
      sc_created_on TIMESTAMP,
      sc_modified_on TIMESTAMP
  );
  
  CREATE TABLE IF NOT EXISTS t_sensor (
      se_id SERIAL PRIMARY KEY,
      se_name VARCHAR(64) NOT NULL,
      se_friendly_name VARCHAR(64) NOT NULL,
      se_created_on TIMESTAMP,
      se_modified_on TIMESTAMP
  );
  
  CREATE TABLE IF NOT EXISTS t_measurement (
      me_id SERIAL PRIMARY KEY,
      me_se_id NUMBER NOT NULL,
      me_timestamp TIMESTAMP NOT NULL,
      me_type VARCHAR(64) NOT NULL,
      me_value DOUBLE NOT NULL,
      me_units VARCHAR(64)
  );
  