sql join joining 3 tables

Question

bit of a strange one this one...

Someone wrote a sql that in my mind shouldn\'t work, but it does and it also returns the correct results. I\'ve written a simplified exa

Answer 1

Why would you think it shouldn't work? The last bit of the query is pointless though, and you can take it out. It's a simple join on 3 tables:

select * from #history
join #transactions on #history.transid = #transactions.transid
join #client on #transactions.clientId = #client.clientId