Thanks for the suggestion...it needed only one small change: update tsubset set k = t.k from t where t.f=tsubset.f; Thanks! Alban Hertroys wrote:
Rick Schumeyer wrote:foreach f in tsubset update tsubset set k=(select k from t, tsubset where t.f=f); end Can this be done with one SQL statement?I think you mean update tsubset set k = t.k from t where t.f = f;