CREATE TABLE participants (participant_id NUMBER, participant_type_code CLOB, participant_details CLOB)
CREATE TABLE services (service_id NUMBER, service_type_code CLOB)
CREATE TABLE events (event_id NUMBER, service_id NUMBER, event_details CLOB)
CREATE TABLE participants_in_events (event_id NUMBER, participant_id NUMBER)

What are all the the participant ids, type code and details?
SELECT participant_id, participant_type_code, participant_details FROM participants
SELECT "participant_id", "participant_type_code", "participant_details" FROM "participants"