Take Advantage of SQL Server 2012's Window FunctionalityCommented on: 3 years ago
(October 6, 2012)
it is confusing when you use partition by clause with group by.
SELECT prd_type_id, month, SUM(amount) AS SUM_Amount,
RANK() OVER (PARTITION BY month ORDER BY SUM(amount) DESC)
What's a good use for a UNIQUE filtered index?Commented on: 4 years ago
(November 18, 2011)
With the presence of unique filtered index, if my query criteriion is something like "where ssn is null". Why sql server could not take advantage of the unique filtered index by except the...
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