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A primary key must be 1. unique and cannot be null 2. unique and can be null 3. duplicated and cannot be null 4. duplicated
A primary key must be
1. unique and cannot be null
2. unique and can be null
3. duplicated and cannot be null
4. duplicated and can be null
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Financial Accounting
Authors: Paul D. Kimmel, Jerry J. Weygandt, Donald E. Kieso
2nd Edition
047116920X, 978-0471169208
