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What is Explicit update In explicit update, each derived attribute is defined with respect to one, or more fundamental base object(s). The object designer determines that de
What is E-R model? This data model is based on real world that having of basic objects called entities and of relationship between these objects. Entities are explained in a da
Insulation between conceptual and physical structures It can be defined as: 1. The Database Administrator should be capable to vary the storage structures without affectin
What is serialization? Where it is used and why? Serialization is a basic term used for mechanisms which enable objects and object structures to be converted into portable for
Define access time. Access time is the time from when a read or write request is issued to when data transfer starts.
Normal 0 false false false EN-US X-NONE X-NONE
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
1.Suppose you are given a dataset that consists of a random sample of tasters, on which the following variables were obtained: (y) Zpref = taste preference for green beans store
#explain five disadvantages of a dbms..
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
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