
Aggregate function in SQL WHERE-Clause - Stack Overflow
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 …
Why are aggregate functions not allowed in where clause
34 Why can't we use aggregate function in where clause Aggregate functions work on sets of data. A WHERE clause doesn't have access to entire set, but only to the row that it is currently …
sql - TSQL Pivot without aggregate function - Stack Overflow
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.
sql - Applying the MIN aggregate function to a BIT field - Stack …
Also, I always run into this sort of issue when I'm forced to aggregate a field that I know (due to constraints) will always be the same value, so why can't there just be an aggregate function …
SQL GROUP BY CASE statement with aggregate function
CASE WHEN col1 > col2 THEN SUM(col3*col4) ELSE 0 END AS some_product And I would like to put it in my GROUP BY clause, but this seems to cause problems because there is an …
sql - GROUP BY without aggregate function - Stack Overflow
Nov 19, 2013 · Functionally, if you use GROUP BY with no Aggregate functions in the select, you are just doing a DISTINCT. Oracle seems to use different methods for each, but it ends with …
SQL Server pivot on 2 (or multiple) aggregates - Stack Overflow
Jul 27, 2017 · Is it possible to pivot on multiple aggregated columns in SQL Server? I have the following order table:
Aggregate on datetime in sql with group by - Stack Overflow
Jun 24, 2016 · The following are available aggregate functions for SQL AVG() - Returns the average value COUNT() - Returns the number of rows FIRST() - Returns the first value …
How do I select columns together with aggregate functions?
Jun 23, 2012 · If I change the WHERE to HAVING because of the aggregate functions, I get errors telling me to remove each of the other column names that aren't contained in either an …
select - SQL: How to filter after aggregation? - Stack Overflow
Apr 2, 2013 · SELECT department, SUM(sales) as "Total sales" FROM order_details GROUP BY department HAVING SUM(sales) > 1000; Which will exclude all sales with a value less than or …