create table if not exists humidity_log ( id integer primary key, time datetime not null, sensor text not null, temperature real not null, humidity real not null, dew_point real not null ); create table if not exists power_log ( id integer primary key, time datetime not null, sensor text not null, total_start_time datetime not null, total real not null, yesterday real not null, today real not null, period real not null, power real not null, apparent_power real not null, reactive_power real not null, factor real not null, voltage real not null, current real not null, sensor_temperature real not null ); create table if not exists switch_state_log ( id integer primary key, time datetime not null, sensor text not null, switch_state text not null ); create table if not exists device_tag ( id integer primary key, device_name text not null, tag text not null )