CREATE TABLE activity (actid NUMBER, activity_name CLOB)
CREATE TABLE faculty (facid NUMBER, lname CLOB, fname CLOB, rank CLOB, sex CLOB, phone NUMBER, room CLOB, building CLOB)
CREATE TABLE faculty_participates_in (facid NUMBER, actid NUMBER)
CREATE TABLE participates_in (stuid NUMBER, actid NUMBER)
CREATE TABLE student (stuid NUMBER, lname CLOB, fname CLOB, age NUMBER, sex CLOB, major NUMBER, advisor NUMBER, city_code CLOB)

What is the first and last name of the student participating in the most activities?
SELECT T1.fname, T1.lname FROM student AS T1 JOIN participates_in AS T2 ON T1.stuid = T2.stuid GROUP BY T1.stuid ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T1"."fname", "T1"."lname" FROM "student" "T1" JOIN "participates_in" "T2" ON "T1"."stuid" = "T2"."stuid" GROUP BY "T1"."stuid" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY