uni/COMP2400/q6.sql

-- I have read the ANU Code on "Academic Honesty in Learning and Teaching",
-- and I declare that, except where appropriately attributed, the content
-- of the file I have submitted for this assignment is entirely my own
-- work. It has not been produced, in whole or in part, by another person.
-- (signed) Andrew Pollock 4137129

-- Find the couple(s) with the most children

TTITLE "COMP2400: Assignment 1: Question 6"

COLUMN Mother HEADING "Mother"
COLUMN Father HEADING "Father"

SELECT mother.firstname || ' ' || mother.surname AS Mother, father.firstname || ' ' || father.surname AS Father
FROM parents p, person mother, person father
WHERE p.motherid = mother.personid
AND p.fatherid = father.personid
GROUP BY mother.firstname, mother.surname, father.firstname, father.surname
HAVING COUNT(p.personid) = (SELECT MAX(COUNT(personid))
                           FROM parents
                           GROUP BY motherid, fatherid);

EXIT;
1	-- I have read the ANU Code on "Academic Honesty in Learning and Teaching",
2	-- and I declare that, except where appropriately attributed, the content
3	-- of the file I have submitted for this assignment is entirely my own
4	-- work. It has not been produced, in whole or in part, by another person.
5	-- (signed) Andrew Pollock 4137129
6
7	-- Find the couple(s) with the most children
8
9	TTITLE "COMP2400: Assignment 1: Question 6"
10
11	COLUMN Mother HEADING "Mother"
12	COLUMN Father HEADING "Father"
13
14	SELECT mother.firstname \|\| ' ' \|\| mother.surname AS Mother, father.firstname \|\| ' ' \|\| father.surname AS Father
15	FROM parents p, person mother, person father
16	WHERE p.motherid = mother.personid
17	AND p.fatherid = father.personid
18	GROUP BY mother.firstname, mother.surname, father.firstname, father.surname
19	HAVING COUNT(p.personid) = (SELECT MAX(COUNT(personid))
20	FROM parents
21	GROUP BY motherid, fatherid);
22
23	EXIT;