CREATE TABLE Behavior_Incident (incident_type_code VARCHAR2)
CREATE TABLE Ref_Incident_Type (incident_type_description VARCHAR2, incident_type_code VARCHAR2)

What are the code and description of the most frequent behavior incident type?
SELECT T1.incident_type_code, T2.incident_type_description FROM Behavior_Incident AS T1 JOIN Ref_Incident_Type AS T2 ON T1.incident_type_code = T2.incident_type_code GROUP BY T1.incident_type_code ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T1"."incident_type_code", "T2"."incident_type_description" FROM "Behavior_Incident" "T1" JOIN "Ref_Incident_Type" "T2" ON "T1"."incident_type_code" = "T2"."incident_type_code" GROUP BY "T1"."incident_type_code" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY