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how does a category differ from a regular shared subclass what is a category used for illustrate your answer with
what aggregation feature is missing from the eer model how can the eer model be further enhanced to support
if co at constant pressure was burned to completion with excess air and the measured temperature of the exit gases was
what are the major differences between the collector characteristics of a bjt transistor and thedrain characteristics
consider a hot automotive engine which can be approximated as a 05-m-high 040-m-wide and 08-m-long rectangularblock the
what is system-independent data model mapping how is it different from system-dependent data model
what are the current relational dbmss that dominate the market choose one that you are familiar with and show how it
consider the er design for the university database that was modeled using a tool like erwin or rational rose in
why is it important to use an implementation-independent data model during conceptual schema design what models are
what are the steps of the view integration approach to conceptual schema design what are the difficulties during each
how would a view integration tool work design a sample modular architecture for such a
discuss the various type constructors how are they used to create complex object
discuss the concept of encapsulation and tell how it is used to create abstract data
what is the difference between persistent and transient objects how is persistence handled in typical oo database
in the traditional relational model creating a table defined both the table type schema or attributes and the table
what is the impedance mismatch problem which of the three programming approaches minimizes this
what is the difference between attributes and elements in xml list some of the important attributes used to specify
design an oo schema for a database application that you are interested in construct an eer schema for the application
consider the airport database described in exercise 821 specify a number of operationsmethods that you think should be
why are scripting languages popular for programming web applications where in the three-tier architecture does a php
what are php auto-global variables give some examples of php autoglobal arrays and discuss how each is typically
discuss insertion deletion and modification anomalies why are they considered bad illustrate with
state the informal guidelines for relation schema design that we discussed illustrate how violation of these guidelines
what does the term unnormalized relation refer to how did the normal forms develop historically from first normal form