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selecting first record from an ordered list in pl*sql

Last Modified: 2012-06-21
I have a cursor that might return 0, 1, or multiple records.

The query is ordered but I only want the first record.

So what is a good programming construct to do this ?

I have the code below but it's probably ugly to the experienced Oracle programmer . . .
loop_counter := 0;
      open idm_ssn_check_cur;
           loop_counter := loop_counter + 1;
           fetch idm_ssn_check_cur into memb_id_nbr_ret;           
           exit when idm_ssn_check_cur%notfound;
           if loop_counter = 1 then
           end if;                      
      end loop;
      close idm_ssn_check_cur;

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