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Question:
(a) What are the challenges in the development of Large Scale Distributed Real Systems?
(b) What is backward engineering and forward engineering in a design package? Give one disadvantage of backward engineering.
(c) Describe in what two situations data replication may be applied.
(d) What is the implication of data replication?
(e) Will data replication be used in a large scale system?
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
Define the Wait for graph Ans: The wait-for-graph is a directed graph and consist of nodes and directed arcs; the nodes of the graph are active transactions. An arc of the grap
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
What is completeness constraint on generalization? Define the variation between total and partial design constraint. Give an example each. Ans: Completeness Constraints
Example: //REVOKE ALL ON EMP FROM MCA12; (All permissions will be cancelled) You can also cancel only some of the permissions. Drop: A user-
explain external view
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
You have a friend that runs a motor bike club that holds racing events at various venues on weekends, on a monthly basis. Some venues are private race tracks and some are dirt trac
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