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Security: In a centralised system, access to the data can be simply controlled. Though, in a distributed DBMS not only does access to replicated data have to be controlled in many
Every School has many teachers and many students. Each student is assigned to one school and each teacher works for one school only. Each teacher teaches more than one subject but
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
I need some help with my normalization database homework.
i want to database for online assignment submission system
What is a database graph? The partial ordering implies that the set D may now be viewed as a directed acyclic graph, known as a database graph.
What are the drawbacks of File Oriented System in details?
Saving Derived Attributes to Avoid Re-computation As discussed, "redundancy means duplication of exact data". But, if multiple copies of same data are present in the system,
A View may be defined of as a virtual table, that is, a table that does not really exist in its own right but is instead inferred from one or more underlying base data table. T
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
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