create table ElectricEnergy ( id int(10) unsigned not null auto_increment, name varchar(64) not null, ts timestamp not null, energy int(10) unsigned not null, power int(10) unsigned not null, primary key (id) ) engine=InnoDB; create table Temperature ( id int(10) unsigned not null auto_increment, name varchar(64) not null, ts timestamp not null, temperature double not null, primary key (id) ) engine=InnoDB;