(iii) SELECT COUNT(*) FROM Coach;
COUNT(*)
4
(iv) SELECT Name, Activityname FROM activity A, COACH C
WHERE A.Acode = C.Acode AND A.ParticipantsNum =10;
Name ActivityName
Ravinder Discuss Throw
(v) SELECT DISTINCT Acode FROM Coach;
DISTINCT Acode
1001
1003
1008