Report - 데이터베이스 및 설계 - contents.kocw.or.krcontents.kocw.or.kr/document/SC1094-07(2012-05-21)Oh.pdf · 2012. 6. 20. · 5NF (PJ/NF) 4NF BCNF 3NF 2NF 1NF 정규 또는 비정규

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