What are the names of the 5 furniture items with the highest market rates?
select name from furniture order by market_rate desc limit 5
How about the top 2?
select name from furniture order by market_rate desc limit 2
What are their market rates?
select name, market_rate from furniture order by market_rate desc limit 2
How about the sum?
select sum(market_rate) from furniture order by market_rate desc limit 2