sql - Using group by on multiple columns - Stack Overflow
Mar 10, 2010 · When using GROUP BY x, y statement, it fetches rows for each unique pair of values of column x and y. By adding more columns in the GROUP BY clause, more detail and more specific …
Is it possible to GROUP BY multiple columns using MySQL?
Is it possible to GROUP BY more than one column in a MySQL SELECT query? For example: GROUP BY fV.tier_id AND 'f.form_template_id'
Select multiple columns from a table, but group by one
May 3, 2017 · If i want to group by description and also display all columns. All i have to do is: create WITH CTE_Name subquery with your GroupBy column and COUNT condition select all (or whatever …
How do I (or can I) SELECT DISTINCT on multiple columns?
Sep 10, 2008 · The problem with your query is that when using a GROUP BY clause (which you essentially do by using distinct) you can only use columns that you group by or aggregate functions.
Count multiple columns with group by in one query
Oct 2, 2012 · SELECT COUNT(column1),column1 FROM table GROUP BY column1 SELECT COUNT(column2),column2 FROM table GROUP BY column2 SELECT COUNT(column3),column3 …
Using group by on two fields and count in SQL - Stack Overflow
Apr 30, 2012 · 119 I have a table in my mysql db that has two columns: group and subgroup. See below.
sql server - SQL Group By - Generate multiple aggregate columns from ...
Sep 10, 2012 · SQL Group By - Generate multiple aggregate columns from single column Asked 13 years, 2 months ago Modified 13 years, 2 months ago Viewed 22k times
sql - Concatenate multiple result rows of one column into one, group …
Concatenate multiple result rows of one column into one, group by another column [duplicate] Asked 12 years, 8 months ago Modified 2 years, 9 months ago Viewed 381k times
How to group 3 columns into a single one in SQL
Nov 23, 2011 · The three columns can have a different value but they are all the same type. I need to do a join such that I merge all the items in the three columns and then group by
sql - How do I find duplicates across multiple columns? - Stack Overflow
So I want to do something like this sql code below: select s.id, s.name,s.city from stuff s group by s.name having count (where city and name are identical) > 1 To produce the following, (but i...