cVar = ""
for i = 1 to alen(aArray)
cVar = iif(empty(cVar), '("'+aArray(i)+'"',cVar+',"'+aArray(i)+'"')
next i
cVar = cVar + ')'
select x1, x2 from dbx!tablex ;
where tablex.x1 in (cVar)

This doesn't work too. I will use UDF.

Thank you very much for your help.