Pessoal, uso D7 com FB 1,53 e quando tento executar:
qryAux.Close;
qryAux.SQL.Clear;
qryAux.SQL.Add(Valor);
qryAux.ExecSQL(True);
retorna esse erro Atempt to store duplicate value(visible to active
transactions) in unique index "RDB$INDEX_2"
Obrigado
Leonardo