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Determine the Three Views of Data
We know that the similar thing, if viewed from dissimilar angles produces difference sights. Similarly, the database that we have formed already can have different aspects to reveal if seen from dissimilar levels of abstraction. The term Abstraction is very significant here. Generally it means the amount of detail you want to hide. Any entity can be seen from dissimilar perspectives and levels of complexity to make it a reveal its current amount of abstraction.
In the same manner, the database can also be viewed from dissimilar levels of abstraction to reveal dissimilar levels of details.
Discuss the term- Design Optimization We have seen various ways of representing the objects.The fundamental design model uses analysis model as the framework for implementati
Consider the following relations: S (S#, SNAME, STATUS, CITY) SP (S#, P#, QTY) P (P#, PNAME, COLOR, WEIGHT, CITY) Give an expression within SQL for each of queries b
Describe Interfaces for the DBA? Interfaces for the DBA - Most database systems holds privileged commands which could be used only through the DBA's staff. These involves com
What is a records management consultation? Our organization is an authority for disseminating your specific requirements and giving you with a solution to effectively manage yo
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The figure below depicts the conceptual diagram of a banking system. (a) Describe one example relevant to the system in figure, for each of the 4 types of enterprise appl
gyan gurukul is a software company that provides software related solution.
For every n-ary relationship type R where n>2, we make a new table S to represent R. We contain as foreign key attributes in s the primary keys of the relations that show the parti
Describe Embedded Query Language? Embedded Query Language - A query language (e.g., SQL) can be implemented in two ways. It can be used interactively or embedded within a host
Rules Of Data Normalisation Let us now summarise Normalisation with the help of various clean rules. The following are the necessary rules for the Normalisation process: 1.
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