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What is a homogeneous distributed database?
In homogeneous distributed databases, all sites have the same database management system software, are aware of one another, and agree to cooperate in processing user's requests.
Find a 3NF decomposition of the following relation scheme: University (Faculty, Dean, Department, Chair, Professor, Rank, Student}. The University relation satisfies the following
What is Candidate Key Super Key or Candidate Key: It is such an attribute of a table that can uniquely recognize a row in a table. Generally they have unique values and can n
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
1. Use the Invoice table structure shown below to answer the following questions: a) Draw the dependency diagram and identify the primary key and all dependencies, including al
What is ICR? A. ICR (Intelligent Character Recognition) is a technology that gives scanning and imaging systems the ability to identify images of hand-printed or script charact
coventions for displaying an ER schema as ER diagram
State as Location within a Program In this traditional approach, location of control inside a program totally defines the program state. Any finite state machine may be implem
Limitations of File Based System The file-based system has some limitations. The limitations are listed as follows: Isolation and separation of data: When the data is
What is recursive closure? Why is it not possible to describe this operation in relational algebra? Recursive closure is applied to recursive relationship. An instance of rec
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
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