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Probelm:
(a) A distributed database (DDB) is a collection of multiple, logically interrelated databases which are physically distributed over a computer network"
(i) Give advantages of a Distributed Database as compared to a centralised database.
(ii) Differentiate between a Heterogeneous DDB and Homogeneous DDB and describe under what circumstances would such systems generally arise?
(iii) Show the advantages of having data replicated at various sites.
Write a short note on built in function in QBE? Built in function in QBE: QBE involves various built in functions like AVG, MAX,MIN,SUM and CNT. We must prefix these operator
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
In Database software have only pure security or some dis secured by administrator?
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i have a homework assignment identical to one you have listed
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
how to design a bakery business in data base
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Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
#questiRegional Gardens has many nurseries, including Wagga Wagga, Bathurst, Albury, Orange, and Dubbo. Each nursery is known by its campus code, eg WW, B, A, O and D respectively.
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