how i can use a variable into  sql? i can derive a column but it also is in
white

dim xmed as float
select avg(x) from Table into media
xmed=media.col1

select x-xmed from table into Desvi

.... BUT THE TABLE DESVI NOT CONTAINS ANY VALUE IN EACH ROW!! in the
mapbasic window runs, but in a mapbasic application it crash. someone can
explain that i must do please?


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