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In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
Increases efficiency : Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, there
Class Diagram A class diagram is required to support functional necessity of system. In a static design view, class diagram is used to model vocabulary of the system, simple c
explain ANSI SPARC architecture
a method named WonGame that checks each letter in the word is matched by its label
(a) Design a query plan for the following distributed query: An application at site B wants to compute a join of STUDENT ? Id=StudId TRANSCRIPT where STUDENT (Id,Major) is at site
Consider the following frequency counts of some itemsets in a transaction database r : freq({A}, r) = 0.405 freq({B}, r) = 0.510 freq({C}, r) = 0.303 freq({A
Discuss how the one-to-one associations have to be implemented. Some of properties of associations can be implemented directly by providing suitable declarations of the data me
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
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