7573118
Descripción
Test por Miruna Teodora, actualizado hace más de 1 año
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Creado por Miruna Teodora
hace casi 8 años
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Pregunta 1
Pregunta
In the methodology of developing databases, the entity-relationship diagram results from the:
Respuesta
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functional analysis
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dynamic design
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structural analysis
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dynamic analysis
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logical design
Pregunta 2
Pregunta
When organizing a database, the following aspects are considered:
Respuesta
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organizing input data
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organizing output data
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organizing storing data
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organizing the final processing
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organizing programs
Pregunta 3
Pregunta
The effectiveness of a database can be assessed by:
Respuesta
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the study of the flowchart of an organization
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the study of initial costs
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the calculation of return
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relational calculus
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relational algebra
Pregunta 4
Pregunta
In the methodology for developing a database, building a view is made in the:
Respuesta
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external schema design
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conceptual schema design
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internal schema design
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logical analysis
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overall analysis
Pregunta 5
Pregunta
The objectives in achieving a database are:
Respuesta
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the same data cannot be used in different ways
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increasing the cost for data storage
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retrieval requests should only be predetermined
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database applications must be able to reuse already existing data
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minimum redundancy, but uncontrolled
Pregunta 6
Pregunta
Types of user for the databases are:
Respuesta
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small and medium enterprises
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aggregates
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intensives
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end-users
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specialists
Pregunta 7
Pregunta
In the methodology for database developing, the design phase contains:
Respuesta
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choosing the DBMS
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choosing the involved personnel
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choosing real world entities
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dynamic design
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schemas design
Pregunta 8
Pregunta
In the methodology for database developing, the analytical activity is conducted under the following aspects:
Respuesta
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static informational
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structural
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modular
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object
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functional
Pregunta 9
Pregunta
In order to achieve a database, choosing a DBMS takes into account the following aspects:
Respuesta
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legislative requirements
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application requirements
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technical facilities of DBMS
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universal programming languages
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limits of users
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