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Databases/Lab5/Task1.sql

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SQL

SELECT adult_member_no, No_of_children, expr_date
FROM
(
SELECT adult_member_no, COUNT(member_no) AS No_of_children
FROM library.dbo.juvenile
GROUP BY adult_member_no
HAVING COUNT(member_no) > 3
) AS nested, library.dbo.adult
WHERE adult_member_no = member_no;
SELECT adult_member_no, No_of_children, expr_date
FROM
(
SELECT adult_member_no, COUNT(member_no) AS No_of_children
FROM library.dbo.juvenile
GROUP BY adult_member_no
HAVING COUNT(member_no) > 3
) AS nested JOIN library.dbo.adult
ON adult_member_no = member_no;