select count(*) from db.devices where devgroup<10; select count(*) from db.devices where devgroup<20; select count(*) from db.devices where devgroup<30; select count(*) from db.devices where devgroup<40; select count(*) from db.devices where devgroup<50; select count(*) from db.devices where devgroup<60; select count(*) from db.devices where devgroup<70; select count(*) from db.devices where devgroup<80; select count(*) from db.devices where devgroup<90; select count(*) from db.devices; select avg(temperature) from db.devices where devgroup<10; select avg(temperature) from db.devices where devgroup<20; select avg(temperature) from db.devices where devgroup<30; select avg(temperature) from db.devices where devgroup<40; select avg(temperature) from db.devices where devgroup<50; select avg(temperature) from db.devices where devgroup<60; select avg(temperature) from db.devices where devgroup<70; select avg(temperature) from db.devices where devgroup<80; select avg(temperature) from db.devices where devgroup<90; select avg(temperature) from db.devices; select sum(temperature) from db.devices where devgroup<10; select sum(temperature) from db.devices where devgroup<20; select sum(temperature) from db.devices where devgroup<30; select sum(temperature) from db.devices where devgroup<40; select sum(temperature) from db.devices where devgroup<50; select sum(temperature) from db.devices where devgroup<60; select sum(temperature) from db.devices where devgroup<70; select sum(temperature) from db.devices where devgroup<80; select sum(temperature) from db.devices where devgroup<90; select sum(temperature) from db.devices; select max(temperature) from db.devices where devgroup<10; select max(temperature) from db.devices where devgroup<20; select max(temperature) from db.devices where devgroup<30; select max(temperature) from db.devices where devgroup<40; select max(temperature) from db.devices where devgroup<50; select max(temperature) from db.devices where devgroup<60; select max(temperature) from db.devices where devgroup<70; select max(temperature) from db.devices where devgroup<80; select max(temperature) from db.devices where devgroup<90; select max(temperature) from db.devices; select min(temperature) from db.devices where devgroup<10; select min(temperature) from db.devices where devgroup<20; select min(temperature) from db.devices where devgroup<30; select min(temperature) from db.devices where devgroup<40; select min(temperature) from db.devices where devgroup<50; select min(temperature) from db.devices where devgroup<60; select min(temperature) from db.devices where devgroup<70; select min(temperature) from db.devices where devgroup<80; select min(temperature) from db.devices where devgroup<90; select min(temperature) from db.devices; select spread(temperature) from db.devices where devgroup<10; select spread(temperature) from db.devices where devgroup<20; select spread(temperature) from db.devices where devgroup<30; select spread(temperature) from db.devices where devgroup<40; select spread(temperature) from db.devices where devgroup<50; select spread(temperature) from db.devices where devgroup<60; select spread(temperature) from db.devices where devgroup<70; select spread(temperature) from db.devices where devgroup<80; select spread(temperature) from db.devices where devgroup<90; select spread(temperature) from db.devices;