create cursor child (f1 c(1), f2 c(5)) index on f1 to child insert into child values ('A','11111') insert into child values ('A','22222') insert into child values ('B','33333') insert into child values ('B','44444') browse last create cursor _parent (f1 c(1)) insert into _parent values ('A') insert into _parent values ('B') set relation to f1 into child browse lastMake sure that the Data Window is opened. View the child table and make sure that the relation from the _parent works. Leave both browse windows opened. Select _parents and from the Command Window remove the relation.
set relation off into childSelect the child table; do you notice if the 'filter' still exists? GO TOP; SET FILTER TO doesn't seem to work.