T-SQL Challenge - CombinationsCommented on: 6 years ago
(January 28, 2008)
I like that puzzle, you just have to know how recursive queries work :-)
WITH cte (vid, amt)
SELECT vid, amt
SELECT v.vid, cte.amt + v.amt
FROM vouchers AS v...
Mode PuzzleCommented on: 7 years ago
(October 4, 2007)
Nested aggregates, before SS2005 this was quite awfull, but now there's WITH or (my favourite) OLAP functions: Easy to write and easy to extend
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