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

Group and count details for the events using a bar chart, order bar from low to high order please.
SELECT Event_Details, COUNT(Event_Details) FROM Events GROUP BY Event_Details ORDER BY Event_Details
SELECT "Event_Details", COUNT("Event_Details") FROM "Events" GROUP BY "Event_Details" ORDER BY "Event_Details"