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Author Question: Before running Web pages in Internet Information Server (IIS) against a Microsoft Access database, ... (Read 76 times)

dbose

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on: Jul 7, 2018
Before running Web pages in Internet Information Server (IIS) against a Microsoft Access database, we need to create a(n):
 
  A) OBDC data source.
  B) JBDC data source.
  C) OLE DB data source.
  D) LAMP data source.
  E) WAMP data source.

Question 2

How are one-to-one recursive relationships addressed using the relational model?
 
  What will be an ideal response?


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aprice35067

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

A

Answer to Question 2

One-to-one recursive relationships are addressed just the same as one-to-one nonrecursive relationships. The only difference is that both of the related entity instances are in the same entity class. The key of either instance is placed in the other instance as a foreign key. In the case of a recursive relationship, this means that a new attribute is added to the entity class with the recursive relationship. For each instance, this new attribute will contain the value of the key attribute of the instance that is related.


dbose

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Reply 2 on: Jul 7, 2018
Wow, this really help

momolu

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Reply 3 on: Yesterday
Gracias!

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