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.
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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
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