The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT US.s_unit_status
FROM IGS_PS_UNIT_VER UV,
IGS_PS_UNIT_STAT US
WHERE UV.unit_cd = p_unit_cd AND
UV.version_number = p_version_number AND
UV.unit_status= US.unit_status;
SELECT 'x'
FROM IGS_PS_TCH_RESP
WHERE unit_cd = p_unit_cd AND
version_number = p_version_number;
SELECT SUM(percentage)
FROM IGS_PS_TCH_RESP
WHERE unit_cd = p_unit_cd AND
version_number = p_version_number;