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lstar1993 lstar1993
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Posts: 498
4 years ago
Identify the statement below that is false with regards to basic requirements of a relational database model.

• Primary keys can be null.

• Foreign keys, if not null, must have values that correspond to the value of a primary key in another table.

• All non-key attributes in a table should describe a characteristic about the object identified by the primary key.

• Every column in a row must be single-valued.
Textbook 
Accounting Information Systems

Accounting Information Systems


Edition: 14th
Authors:
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IsackIsack
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Posts: 394
4 years ago
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lstar1993 Author
wrote...
4 years ago
This helped my grade so much
wrote...
4 years ago
Perfect
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