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Category > Computer Science Posted 29 May 2017 My Price 8.00

What is a fragment of a relation? What are the main types of fragments?

1. What is a fragment of a relation? What are the main types of fragments? Why is fragmentation a useful concept in distributed database design?

 

2. Why is data replication useful in DDBMSs? What typical units of data are replicated?

3. What is meant by data allocation in distributed database design? What typical units of data are distributed over sites?

 

Answers

Alpha Geek
(8)
Status NEW Posted 29 May 2017 09:05 AM My Price 8.00

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file 1496050784-Answer.docx preview (275 words )
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