Du måste undkomma det speciella BT-ordet (men du kan bara undkomma hela strängen).
SELECT person_no sub_sys_individual_id,
nm_e,
nm_a,
nvl(sex, -1) sex,
nvl(prs_nat, -999) prs_nat,
person_no,
'NA' prog_where_not_allowed,
'NA' udb_no,
person_tp,
pass_no
FROM ban_inq_tab
WHERE contains (nm_e ,'{xxstart JUHETI BT MEMED ASMANI}%') >0
AND (trans_flag IS NULL OR trans_flag = 'C');