상황
A database schema for a journal collector system that organizes journals, issues, articles, authors, and their attribution.
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01
Composite primary key for ArticleAuthor handles many-to-many author attribution
02
Foreign keys reflect one-to-many relationships from Journal to Issue and Issue to Article
03
Unique keys on ISSN, DOI, and ORCID enforce entity integrity
When modeling scholarly content storage, bibliographic databases, or reference managers requiring normalization of journals, issues, articles, and authorship.