CREATE TABLE Participants (Participant_ID NUMBER, Participant_Type_Code CHAR, Participant_Details VARCHAR2)
CREATE TABLE Events (Event_ID NUMBER, Service_ID NUMBER, Event_Details VARCHAR2)
CREATE TABLE Participants_in_Events (Event_ID NUMBER, Participant_ID NUMBER)
CREATE TABLE Services (Service_ID NUMBER, Service_Type_Code CHAR)

Bar chart x axis participant details y axis participant_id, and rank in asc by the bars.
SELECT Participant_Details, Participant_ID FROM Participants ORDER BY Participant_Details
SELECT "Participant_Details", "Participant_ID" FROM "Participants" ORDER BY "Participant_Details"