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Analyzing Association Traversal
Association Traversal shall be understood properly for the association design explanation. Analyzing association traversal means analyzing traversal among the objects. Associations are inherently bi-directional, that is certainly true in an abstract sense. But, if some associations in application are only traversed in single direction, in this case implementation can be simplified.
The Concurrent Transactions Almost every commercial DBMS support multi-user environment. Therefore, allowing multiple transactions to proceed concurrently. The DBMS must make
why are older data models are being replaced by new data models
Explain in detail the consistency model of the distributed file system you studied (GFS or AFS). Present the consistency model chosen and how it was achieved through design. Clarit
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken fro
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
how to make an e r diagram?
Explain the ISA relationship Answer: ISA relationship - ISA notation is employed in generalization/ specialization to depict relationship among lower and higer level entity s
Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
Define access time. Access time is the time from when a read or write request is issued to when data transfer starts.
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
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