>>SET EXACT OFF >>? LOOKUP(F1,'A'+SPACE(1000),F1) && <-- WITH EXACT OFF IT NOT FOUND >>* for set soft you get a hard comparison >>SET EXACT on >>? LOOKUP(F1,'A'+SPACE(1000),F1) && <-- WITH EXACT ON IT FOUND >>* for set hard you get a soft comparison >> >>* but if you define a INDEX >>INDEX ON f1 tag TAG1 >>? LOOKUP(F1,'A'+SPACE(1000),F1) && <-- USE INDEX AND IT NOT FOUND >>