Examen

TEST BANK for Modern Database Management, 13e (Hoffer) updates

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Modern Database Management, 13e (Hoffer) Chapter 1 The Database Environment and Development Process 1) According to a McKinsey Global Institute Report, in 2010 alone, global enterprises stored more than: A) 1 terabyte of data. B) 3 gigabytes of data. C) at least 100 petabytes of data. D) more than 7 billion exabytes of data. Answer: D LO: 1.1: Define key terms. Difficulty: Easy Classification: Concept AACSB: Information Technology 2) Database management involves all of the following EXCEPT: A) collecting data. B) organizing data. C) design web pages. D) managing data. Answer: C LO: 1.1: Define key terms. Difficulty: Easy Classification: Concept AACSB: Information Technology 3) A database is an organized collection of related data. A) logically B) physically C) loosely D) badly Answer: A LO: 1.1: Define key terms. Difficulty: Easy Classification: Concept AACSB: Information Technology 4) Legacy systems often contain data of quality and are generally hosted on . A) poor; personal computers B) excellent; mainframes C) poor; mainframes D) excellent; workgroup computers Answer: C LO: 3.1: Define key terms. 5) Program-data dependence is caused by: A) file descriptions being stored in each database application. B) data descriptions being stored on a server. C) data descriptions being written into programming code. D) data cohabiting with programs. Answer: A LO: 1.2: Name several limitations of conventional file processing systems. Difficulty: Moderate Classification: Concept AACSB: Information Technology 6) Because applications are often developed independently in file processing systems: A) the data is always non-redundant. B) unplanned duplicate data files are the rule rather than the exception. C) data can always be shared with others. D) there is a large volume of file I/O. Answer: B LO: 1.2: Name several limitations of conventional file processing systems. Difficulty: Moderate Classification: Concept AACSB: Information Technology 7) Relational databases establish the relationships between entities by means of common fields included in a file called a(n): A) entity. B) relationship. C) relation. D) association. Answer: C LO: 1.3: Explain at least 10 advantages of the database approach, compared to traditional file processing. Difficulty: Moderate Classification: Concept AACSB: Information Technology 8) A(n) is often developed by identifying a form or report that a user needs on a regular basis. A) enterprise view B) reporting document C) user view D) usersnapshot Answer: C LO: 1.3: Explain at least 10 advantages of the database approach, compared to traditional file processing.

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Modern Database Management, 13e

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Modern Database Management, 13e

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Libro relacionado

Jeff Hoffer, Ramesh Venkataraman, Heikki Topi Modern Database Management

Edición:2015
ISBN:9780133544619
Edición:Desconocido

Escuela, estudio y materia

Institución: Modern Database Management, 13e
Grado: Modern Database Management, 13e

Información del documento

Subido en: 25 de marzo de 2025
Número de páginas: 373
Escrito en: 2024/2025
Tipo: Examen
Contiene: Preguntas y respuestas

Temas

the enhanced e r model
the database environment and development process
modeling data in the organization
logical database design and the relational model

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