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Why older data models are being replaced by new data modelling 100 words accepted#
Show a centralised schema to support the operation of the system you have chosen, including in particular: the product catalogue; the outlets and respective stocks; customer record
difference between MIS and DSS
why are older data models are being replaced by new data models
Define an abstraction by which relationships are treated as higher level entities Ans: Aggregation. It is an abstraction by which relationships are treated as higher level
differences between a classified catalog and a dictionary catalog
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
Data Fragmentation "Fragmentation includes decomposing the data in relation to non-overlapping component relations". Why do we require fragmenting a relation?
Explain the main advantages of DBMS over File Oriented System ?
What are the two main goals of parallelism? Load -balance multiple small accesses, so that the throughput of such accesses enhances. Parallelize large accesses so that the res
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