SQL and the like

Dave Ballantyne's blog. Freelance SQL Server database designer and developer at Clear Sky SQL

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Challenge 19 – An Explanation of a Query
I have received a number of requests for an explanation of my winning query of TSQL Challenge 19 . This involved traversing a hierarchy of employees and rolling a count of orders from subordinates up to superiors. The first concept I shall address is...
Phil Factor Speed Phreak SQL Challenge Number 3
The latest Phil Factor challenge is now active here . The prize has now been increased to $100
Phil Factor Speed Phreak SQL Challenge Number 3
The latest Phil Factor challenge is now active here . The prize has now been increased to $100