increases efficiency data is stored close to most
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, therefore the size of data to be looked into is smaller.
Expected delivery within 24 Hours
complete replication it implies maintaining of a whole copy of the database at every site thus the reliability amp availability and performance for
selective replication this is a combination of generating small fragments of relation and replicating them rather than a entire relation the data
data fragmentationfragmentation includes decomposing the data in relation to non-overlapping component relationswhy do we require fragmenting a
use of partial data by applications in common applications work with views rather than whole relations thus it may be more appropriate to work
increases efficiency data is stored close to most often used site therefore retrieval would be faster also data that is not required by local
whether writing listening speaking or attending meetings communication skills are critical to your success in university and work
parallelism of transaction execution a transaction can be divided into various sub-queries that can operate on fragments in parallel this enhances
security data not needed by local applications is not stored at the site therefore no unnecessary security violations may existbut how can we carry
suppose that the width of a rectangle is three feet shorter than length and that the perimeter of the rectangle is 84 feeta set up an
1930297
Questions Asked
3,689
Active Tutors
1421025
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Which of the following is a difference between barchan and parabolic dunes?
Question: Which of the following is true about sand dunes?
What are cross beds? inclined layers in sediment or sedimentary rocks that reveal the direction of wind transport inclined layers in sedimentary rocks
Question: Which of the following accurately describes the Basin and Range region of the western United States?
Question: Why does the crust subside slightly on either side of a melting glacier?
Question: Will plucking occur if a glacier is NOT advancing? No, because glacial ice is still moving inside the glacier even if the glacier's front is not adva
Question: In the first model, what happens as the layer of coarse material develops at the surface?