SQL GROUP BY CASE statement with aggregate function Asked 16 years, 8 months ago Modified 2 years, 9 months ago Viewed 347k times

sql parameterised cte query The answer to that question involves a situation where pivot without aggregation is needed so an example of doing it is part of the solution.

According to MSDN, Median is not available as an aggregate function in Transact-SQL. However, I would like to find out whether it is possible to create this functionality (using the Create Aggregate

May 13, 2014 · In a test at university there was a question; is it possible to use an aggregate function in the SQL WHERE clause. I always thought this isn't possible and I also can't find any example how it …

Apr 21, 2017 · First and Last do not exist in Sql Server 2005 or 2008, but in Sql Server 2012 there is a First_Value, Last_Value function. I tried to implement the aggregate First and Last for Sql Server …

Aug 24, 2023 · 3 Is there really no First/Last aggregate function in T-SQL? No - there are no such aggregate functions in TSQL. The problem with FIRST and LAST is that you need a way of …

Aggregate function in an SQL update query? Asked 16 years, 3 months ago Modified 5 years, 11 months ago Viewed 125k times

Jun 23, 2012 · If I use GROUP BY coID, I get Incorrect syntax near the keyword 'WHERE'. If I change the WHERE to HAVING because of the aggregate functions, I get errors telling me to remove each …

Apr 11, 2025 · I'm wondering if it's possible to create a custom SQL group by function. For example, I often need to find the most common value within a group. While I can achieve this using CTEs or …

Dec 28, 2018 · In SQL Server 2025 and Azure SQL, you can now use the PRODUCT function. This is available as both an aggregate and an analytic (window) function, and in the aggregate you can also …