Majd hussein w2 database #17
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bnhoogendijk
approved these changes
Dec 1, 2025
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| const updateAuthorTable = ` ALTER TABLE author( | ||
| ADD CONSTRAINT mentor INT, | ||
| FOREIGN KEY (mentor) REFERENCES author(author_id));`; |
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| const authorsPapers = ` CREATE TABLE authors_papers( | ||
| author_id INT NOT NULL, | ||
| paper_id INT NOT NULL, | ||
| PRIMARY KEY (author_id, paper_id), | ||
| FOREIGN KEY (author_id) REFERENCES authorsTable(author_id), | ||
| FOREIGN KEY (paper_id) REFERENCES research_Papers(paper_id)`; |
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nice implementation of the many to many
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