>I have trust in this
>

>SELECT TI.cTrans_fk, TI.cInsurances_fk;
>    FROM (select curTemp.cTrans_pk , max(T.iSequence_Number) iSequence_Number;
>	    	from curTemp JOIN Trans_Insurances T ON curTemp.cTrans_pk = T.cTrans_fk ;
>		    GROUP BY 1) X ;
>		    JOIN Trans_Insurances TI ;
>                 ON TI.cTrans_fk = X.cTrans_pk AND TI.iSequence_Number = X.iSequence_Number;
> into cursor curTemp1
>

Seems to be a little bit faster, but still quite slow...