PAPER REV. 2: PRIMARY KEYS - A NEW UNDERSTANDING

Normal 0 Table of Contents Introduction 1. Entities, Properties, Names, and Identifiability 2. Relational Representation 3. Kinds of Keys 3.1. Candidate, Primary, and Alternate Keys 3.2. Natural and Surrogate Keys 4. Primary Formal Mandate 5. Primary Key Designation 6. Primary Keys and Performance 6.1. Indexes Conclusion Appendix: Primary Keys, Duplicates and SQL