Execute an STRING as a query

[Chagh]

hi all,

how can i execute a STRING as a query in MuSQL?
there is a way to do this in SQLServer 2000, there we can use EXEC(STRING)
and the string will be executed.

Additional Notes: i need this because i've got a select statement in an stored procedure that uses an ORDER BY clause at the end of it, and orders the result set by a given input variable.(this variable comes after ORDER BY clause so i can not execute the query itself, and i should make a string from the select statement and input variable and then exec it)

Thanks in advance
Chagh