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Question 1 List and explain various Normal Forms. How BCNF differs from the Third Normal Form and 4th Normal forms?
Question 2 Describe the concepts of Structural Semantic Data Model(SSM)
Question 3 Describe the following with respect to Object Oriented Databases
Question 4 Describe the Differences between Distributed & Centralized Databases
Question 5 Explain the following
Question 6 Describe the following
i need help for assignment ..
What is the max. no. Of structures that can be included in a table or structure. Nine.
The cross-section of twisted pair The cross-section of each and every strand of the twisted pair is π/4 square mm. A 10-km length of this type of material, with two strands per
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
Entity types that do not have any key attribute, and therefore cannot be identified independently, are known as weak entity types. A weak entity can be recognized uniquely only by
Explain the components of Database System in details.
The indices are accumulated in the index files. The data is accumulated in the data files. Indices give fast access to data items. For example, a book database may be managed in th
Explain weak and strong entity type ? Weak and Strong entity type: An entity set which does not have a primary key is referred to as a weak entity set. The existence of a wea
Explain about primary key Primary Key: It is one of the candidate keys that are taken to be the recognizing key for the entire table. E.g. although there are two candidate ke
what problems are raised by the database? why is it so controversial? why is data quality an issue?
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