I have a minor suggestion, in "List the total slots booked per facility in a given month" exercise there is answer to order by sum ('order by sum(slots);'), which means necessity to calculate it again, but I would suggest to use "Total slots" field instead ('ORDER BY "Total Slots";')
I have a minor suggestion, in "List the total slots booked per facility in a given month" exercise there is answer to order by sum ('order by sum(slots);'), which means necessity to calculate it again, but I would suggest to use "Total slots" field instead ('ORDER BY "Total Slots";')