Требуется сформулировать запрос “Найти ISBN всех - Ответ на вопрос по информатике №1163813

Вопрос

• SELECT ISBNFROM BOOKSWHERE ISBN IN (SELECT BOOKS.ISBN FROM AUTHORS, AUTHORS-BOOKS, BOOKS WHERE AUTHORS.AUTHOR_NAME <> ‘Chris Date’ AND AUTHOR.AUTHOR_ID = AUTHORS-BOOKS.AUTHOR_ID AND AUTHORS-BOOKS.ISBN = BOOKS.ISBN) AND TITLE IN (SELECT BOOKS.TITLE FROM AUTHORS, AUTHORS-BOOKS, BOOKS WHERE AUTHORS.AUTHOR_NAME = ‘Chris Date’ AND AUTHOR.AUTHOR_ID = AUTHORS-BOOKS.AUTHOR_ID AND AUTHORS-BOOKS.ISBN = BOOKS.ISBN);
• SELECT DISTINCT BOOKS.ISBNFROM AUTHORS, AUTHORS AUTHORS1, BOOKS, BOOKS BOOKS1, AUTHORS-BOOKS, AUTHORS-BOOKS1WHERE AUTHORS.AUTHOR_NAME <> ‘Chris Date’ AND AUTHORS1.AUTHOR_NAME = ‘Chris Date’ AND AUTHOR.AUTHOR_ID = AUTHORS-BOOKS.AUTHOR_ID AND AUTHOR1.AUTHOR_ID = AUTHORS-BOOKS1.AUTHOR_ID AND AUTHORS-BOOKS.ISBN = BOOKS.ISBN AND AUTHORS-BOOKS1.ISBN = BOOKS1.ISBN AND BOOKS.TITLE = BOOKS1.TITLE;
• SELECT DISTINCT BOOKS.ISBNFROM AUTHORS, AUTHORS-BOOKS, BOOKSWHERE AUTHORS.AUTHOR_NAME <> ‘Chris Date’ AND AUTHOR.AUTHOR_ID = AUTHORS-BOOKS.AUTHOR_ID AND AUTHORS-BOOKS.ISBN = BOOKS.ISBN AND BOOKS.TITLE = SOME (SELECT BOOKS.TITLE FROM AUTHORS, AUTHORS-BOOKS, BOOKS WHERE AUTHORS.AUTHOR_ID = AUTHORS-BOOKS.AUTHOR_ID AND AUTHORS-BOOKS.ISBN = BOOKS.ISBN AND AUTHORS.AUTHOR_NAME = ‘Chris Date’);

Ответ