SQL Group By with an Order By Asked 17 years, 3 months ago Modified 10 years, 5 months ago Viewed 740k times

Using non-aggregate columns in a SELECT with a GROUP BY clause is non-standard. MySQL will generally return the values of the first row it finds and discard the rest.

Apr 5, 2012 · Ordering contents of "groups" was a bug in previous versions of MySQL. As of SQL standarts, in this case ORDER BY must influence only results of GROUP BY, not data before …

The GROUP BY clause groups the rows, but it does not necessarily sort the results in any particular order. To change the order, use the ORDER BY clause, which follows the GROUP …

Jul 15, 2009 · I am just confused with the execution sequence of a SQL query when we use GROUP BY and HAVING with a WHERE clause. Which one gets executed first? What is the …

Aug 14, 2009 · The difference is exactly what the name implies: a group by performs a grouping operation, and an order by sorts. If you do SELECT * FROM Customers ORDER BY Name …

MySQL supports GROUP BY col1 ASC/DESC. But this syntax was removed in MySQL 8.0 and alternative is GROUP BY col1 ORDER BY col1 ASC/DESC. See my answer.

Jul 27, 2011 · This is where the order by row_number() over (partition by DocumentID order by DateCreated desc comes in. The column/columns after partition by defines how SQL Server …

Jan 30, 2017 · ORDER BY is always last... However, you need to pick the fields you ACTUALLY WANT then select only those and group by them. SELECT * and GROUP BY Email will give …

Aug 21, 2017 · I need to group by an UniqueIdentifier column and then sort the group by a DateTime Column, the table also contains the XML column. Table schema: StudentMark: …