
How does MySQL process ORDER BY and LIMIT in a query?
If you need to keep the result in ascending order, and still only want the 10 newest articles you can ask mysql to sort your result two times. This query below will sort the result descending and limit the …
How to order by with union in SQL? - Stack Overflow
That orders the the results of the subselect. That does NOT order the results of the select statement referencing that subselect. Per the SQL Standard, the order of results is undefined barring an explicit …
sql - GROUP BY combined with ORDER BY - Stack Overflow
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 BY clause. The …
sorting - SQL multiple column ordering - Stack Overflow
Jan 12, 2010 · How can I sort multiple columns in SQL and in different directions? For instance, 'column1' would be sorted descendingly and 'column2' ascendingly.
sql - How to use DISTINCT and ORDER BY in same SELECT statement ...
282 The problem is that the columns used in the ORDER BY aren't specified in the DISTINCT. To do this, you need to use an aggregate function to sort on, and use a GROUP BY to make the DISTINCT …
How to use order by with union all in sql? - Stack Overflow
Mar 18, 2013 · SELECT * FROM (SELECT * FROM TABLE_A ORDER BY COLUMN_1)DUMMY_TABLE UNION ALL SELECT * FROM TABLE_B It results in the following …
Using ORDER BY and GROUP BY together - Stack Overflow
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 grouping.
Create a view with ORDER BY clause - Stack Overflow
Mar 4, 2013 · I'm trying to create a view with an ORDER BY clause. I have create it successfully on SQL Server 2012 SP1, but when I try to re-create it on SQL Server 2008 R2, I get this error: Msg 102, …
Does the order of where clauses matter in SQL? - Stack Overflow
The order of WHERE clauses should not make a difference in a database that conforms to the SQL standard. The order of evaluation is not guaranteed in most databases.
How to use Oracle ORDER BY and ROWNUM correctly?
Feb 26, 2013 · The where statement gets executed before the order by. So, your desired query is saying " take the first row and then order it by t_stamp desc ". And that is not what you intend. The subquery …