problem 1:

describe and differentiate the two fundamental structures of network data model?

problem 2:

What are different constraints in network data model? Describe.

problem 3:

What do you mean by the term constraints? How the insertion options constraints are distinct from the retention option constraints?

problem 4:

Describe the data definition in network data model by using illustrations.

problem 5:

How to prepare programs which manipulate a network database-comprising such tasks as searching for and retrieving records from the database; inserting, deleting and modifying records; and connecting and disconnecting records from the set occurrences.

problem 6:

prepare detail notes on:

a) Data manipulation language
b) Host language and data sublanguage