Sql Server query varchar data sort like int

Question

I have one table like

CREATE TABLE table_name
(
P_Id int,
amount varchar(50)
)

Data Like

Id amount
----------
1 2340
2 4568
3         


        

Answer 1

Cast amount column into Numeric in ORDER BY clause while selecting:

SELECT * FROM MyTable
ORDER BY CAST(amount AS Numeric(10,0)) DESC

Result:

Id	amount
3	10000
2	4568
1	2340

See this SQLFiddle