Function determines the present of a field?

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

I have a cross table query that return various sieves information as
following:

Query1
ID Sieve_80 Sieve_35 Sieve_40.......etc
1 20 40 10

As you all know, we cannot know the number of sieve columns.
I have then another query that recuperate data in the query1. My question is
: Is there a function that determines if a column Sieve_13 is exiting? Thank
 
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