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tlc_71111 tlc_71111
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5 years ago
Describe the reason why it is acceptable to have null foreign key, but it is unacceptable to have a null primary key. Use the concept of entity integrity rule and referential integrity rule in your answer.
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Accounting Information Systems

Accounting Information Systems


Edition: 14th
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gdchavis1gdchavis1
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tlc_71111 Author
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5 years ago
You make an excellent tutor!
hpascoe
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Thank you, thank you, thank you!
KaylenePig
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2 hours ago
this is exactly what I needed
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