CREATE TABLE certificate (eid DECIMAL, aid DECIMAL)
CREATE TABLE aircraft (aid DECIMAL, name TEXT, distance DECIMAL)
CREATE TABLE flight (flno DECIMAL, origin TEXT, destination TEXT, distance DECIMAL, departure_date TIME, arrival_date TIME, price DECIMAL, aid DECIMAL)
CREATE TABLE employee (eid DECIMAL, name TEXT, salary DECIMAL)

What is the salaray and name of the employee that is certified to fly the most planes?
SELECT T1.name, T1.salary FROM employee AS T1 JOIN certificate AS T2 ON T1.eid = T2.eid GROUP BY T1.eid ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T1"."name", "T1"."salary" FROM "employee" AS "T1" JOIN "certificate" AS "T2" ON "T1"."eid" = "T2"."eid" GROUP BY "T1"."eid" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1