SQL GROUP BY CASE statement with aggregate function
SQL GROUP BY CASE statement with aggregate function Asked 16 years, 4 months ago Modified 2 years, 6 months ago Viewed 345k times
Aggregate function in SQL WHERE-Clause - Stack Overflow
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 wo...
Multiplication aggregate operator in SQL - Stack Overflow
Dec 28, 2018 · In SQL there are aggregation operators, like AVG, SUM, COUNT. Why doesn't it have an operator for multiplication? "MUL" or something. I was wondering, does it exist for Oracle, …
sql - GROUP BY without aggregate function - Stack Overflow
Nov 19, 2013 · SQL requires that if a column is in the SELECT clause and is not used within an aggregate function, it must be included in the GROUP BY clause. Since resource.rId is selected but …
sql - Equivalent of a COUNTIF aggregate function - Stack Overflow
GROUP BY UID HAVING SUM(ContractDollars) >= 500000 The COUNTIF() line obviously fails since there is no native SQL function called COUNTIF, but the idea here is to determine the percentage of …
Is there really no First/Last aggregate function in T-SQL?
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 …
sql - LISTAGG in Oracle to return distinct values - Stack Overflow
The LISTAGG aggregate function now supports duplicate elimination by using the new DISTINCT keyword. The LISTAGG aggregate function orders the rows for each group in a query according to …
Why is there no PRODUCT aggregate function in SQL?
Oct 12, 2010 · Out of interest, there is indeed demand in SQL Server Land for new set functions but for those of the window function variety (and Standard SQL, too). For more details, including how to get …
sql - Optimal way to concatenate/aggregate strings - Stack Overflow
I'm finding a way to aggregate strings from different rows into a single row. I'm looking to do this in many different places, so having a function to facilitate this would be nice. I've tried solu...
Function to Calculate Median in SQL Server - Stack Overflow
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