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what is file organization? what are file organization techniques.explain in detail? explain random file organization technique, multikey file organization technique?what is indexin
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explain participation constraints with examples
how many hourse have been spent on a certain project
3. (10 points) Assume that you have been presented with the following relation for the Baxter Aviation database: Charters (Pilot#, Pilot name, Aircraft ID#, #seats, Village, Fligh
what is multivalued dependency
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
When is a transaction rolled back? Any changes that the aborted transaction made to the database must be uncompleted. While the changes caused by an aborted transaction have be
Update or Modify operation alters the existing values. If these operations alter the value that is the foreign key also, the only check need is the similar as that of the Insert op
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
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