TSQL Challenge 5 - Solution by Friedrich Paul

Friedrich Paul is another many-times-winner of the TSQL Challenges. He uses like Leonid only one CTE with the same split parsing recursively mechanism . This solution is very goods in terms of code optimization (even if it is too much compressed for a...

TSQL Challenge 5 - Solution by Leonid Koyfman

There were a lot of different solutions for this challenge but globaly the key point to release the split in line in an unique query was to use CTEs. As most people send us valuable queries with CTEs, we took in consideration also other notation points...