The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT min(signature_sequence) into l_sign_sequence
FROM edr_esignatures
WHERE EVENT_ID = p_event_id
and SIGNATURE_STATUS = 'PENDING';
UPDATE EDR_ESIGNATURES
SET SIGNATURE_STATUS = p_action_code ,
SIGNATURE_TYPE = l_SIGNER_code,
SIGNATURE_REASON_CODE = l_signing_reason_code,
SIGNATURE_TIMESTAMP = SYSDATE,
SIGNER_COMMENTS = l_signer_comment
WHERE EVENT_ID = p_event_id
AND user_name = p_user_name
AND SIGNATURE_SEQUENCE = p_sign_sequence;