Can subquery be used in ORDER BY?

Can subquery be used in ORDER BY?

Subqueries must be enclosed within parentheses. A subquery can have only one column in the SELECT clause, unless multiple columns are in the main query for the subquery to compare its selected columns. An ORDER BY command cannot be used in a subquery, although the main query can use an ORDER BY.

Is innermost query in a subquery is evaluated first?

Subqueries can be nested. If more than one subquery is used in a query expression, then the innermost query is evaluated first, followed by the next innermost query, and so on, moving outward.

What a subquery is and when a subquery is used?

A subquery is a query that is nested inside a SELECT , INSERT , UPDATE , or DELETE statement, or inside another subquery. In this example a subquery is used as a column expression named MaxUnitPrice in a SELECT statement.

Can we use ORDER BY with WHERE clause?

You can use the WHERE clause with or without the ORDER BY statement.

What does order by mean in a subquery?

A subquery (nested view) as you have it returns a dataset that you can then order in your calling query. Ordering the subquery itself will make no (reliable) difference to the order of the results in your calling query. As for your SQL itself: a) I seen no reason for an order by as you are returning a single value.

How to move order by in sub select?

Try moving the order by clause outside sub select and add the order by field in sub select for some guys the order by in the sub-query is questionable. the order by in sub-query is a must to use if you need to delete some records based on some sorting. like

Is the ORDER BY clause guaranteed in SQL Server?

The ORDER BY clause does not guarantee ordered results when the view is queried, unless ORDER BY is also specified in the query itself. If you’re working with SQL Server 2012 or later, this is now easy to fix. Add an offset 0 rows: