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Databases/Lab3/Task4.sql

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SQL

SELECT library.dbo.adult.member_no, COUNT(library.dbo.juvenile.member_no) as numkids
FROM library.dbo.adult
JOIN library.dbo.juvenile ON library.dbo.juvenile.adult_member_no = library.dbo.adult.member_no
WHERE state = 'AZ'
GROUP BY library.dbo.adult.member_no
HAVING COUNT(juvenile.member_no) > 2
UNION
SELECT library.dbo.adult.member_no, COUNT(library.dbo.juvenile.member_no) as numkids
FROM library.dbo.adult
JOIN library.dbo.juvenile ON library.dbo.juvenile.adult_member_no = library.dbo.adult.member_no
WHERE state = 'CA'
GROUP BY library.dbo.adult.member_no
HAVING COUNT(juvenile.member_no) > 3;