>>>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...
>
>post sys(3054) and current exec time

Time: 3.804
SELECT TI.cTrans_fk as cTrans_pk, ;
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

Rushmore optimization level for intermediate result: none
Rushmore optimization level for table t: none
Joining intermediate result and table t using index tag Ctrans_fk
Rushmore optimization level for intermediate result: none
Rushmore optimization level for table ti: none
Joining intermediate result and table ti using temp index

I'm running everything locally with SET DELETED ON.