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Explain the concept of generalization and aggregation in E_R diagrams. Give one example for each one of them? Generalization: Consider extending the entity set account throug
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
as a customer service employee explain five measures you would recommend to make even a displeased students patronize the school canteen
prototype of a distributed information system for a national car part retail outlet chain.
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
Which database object does not physically exist? A view database object does not physically exist.
Describe Embedded Query Language? Embedded Query Language - A query language (e.g., SQL) can be implemented in two ways. It can be used interactively or embedded within a host
East Coast Aquarium Relational Database
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
What is a heterogeneous distributed database? In a heterogeneous distributed database, dissimilar sites may use different schemas, and dissimilar dbms s/w. The sites may not be
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