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Author Question: An update anomaly occurs when the entire primary key is not known and the database cannot insert a ... (Read 125 times)

HCHenry

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on: Jul 7, 2018
An update anomaly occurs when the entire primary key is not known and the database cannot insert a new record.
 
  Indicate whether the statement is true or false

Question 2

Which of the following is one of Codd's principles?
 
  A) All data must be numerical
  B) Tables must have no more than 1000 rows
  C) Logical design must match physical design
  D) Logical design must be kept separate from physical design


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micaelaswann

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Reply #1 on: Jul 7, 2018
Answer to Question 1

FALSE

Answer to Question 2

D


HCHenry

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Reply 2 on: Jul 7, 2018
Gracias!

mohan

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Reply 3 on: Yesterday
Excellent

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