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