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DAT 380 Wk 1 - Practice Knowledge Check

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DAT 380 Wk 1 - Practice Knowledge Check

The only way to access the data in a database is through the DBMS.

  • True
  • False

 

Which of the following is true of spreadsheet applications?

  • They enhance the user's ability to understand the data.
  • They provide enhanced security and robust data sharing features.
  • They do not allow manipulation of data once entered.
  • They are a better alternative to databases.

 

The term _____ refers to an organization of components that define and regulate the collection, storage, management and use of data within a database environment.

  • database system
  • structured data
  • management system
  • transaction

 

A _____ is a collection of related records.

  file

  column

 field

  schema

 

 

Even when a good database blueprint is available, an applications programmer's view of the data should match that of the manager and the end user.

  • True
  • False

 

A(n) _______ enables a database administrator to describe schema components.

  • data definition language (DDL)
  • query language
  • unified modeling language (UML)
  • extensible markup language (XML)

 

In an SQL-based relational database, rows in different tables are related based on common values in common attributes.

  • True
  • False

 

VMS/VSAM is an example of the _____.

  • hierarchical model
  • file system data model
  • XML data model
  • relational data model

 

An implementation-ready data model needn't necessarily contain enforceable rules to guarantee the integrity of the data.

  • True
  • False

 

The object-oriented data model was developed in the _____.

  • 1980s
  • 1960s
  • 1990s
  • 1970s

 

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