Sådan vender du en streng (SQL Server 2005, SÆTBASERET)

Rediger Det originale svar misforstod kravet. Jeg har lavet en løsning, men opdelingen ned til karakterniveau er fuldstændig unødvendig nu. Det kunne i det mindste give nogle ideer!

WITH Strings AS
(
select 'A Student' as String
UNION ALL
select 'blah' as String
UNION ALL
select 'the quick brown fox jumped over the lazy dog' as String
),
SplitChars As
(
SELECT ROW_NUMBER() OVER (ORDER BY number) AS number, String, SUBSTRING(String,number,1) AS Ch FROM Strings
JOIN master.dbo.spt_values on number BETWEEN 1 AND LEN(String) AND type='P'
)


SELECT String,
replace(Stuff(
            (
            Select '' + Ch
            From SplitChars SC3
            WHERE SC3.String = SC.String
            Order By (SELECT COUNT(*) FROM SplitChars SC2 WHERE SC2.String = SC3.String AND SC2.Ch = ' ' AND SC2.number < SC3.number) desc, case when SC3.ch = ' ' then -1 else number end
            For Xml Path('')
            ),1, 0, ''), '&#x20;', ' ') AS Reversed
FROM SplitChars SC 
GROUP BY String

Returnerer

• Elev A
• bla
• hund doven den overspringede ræv brun hurtig den