Exam 9: Database Management Approaches

The site that initiates the update in a two-phase commit is known as the ____.

The server is also known as a front-end processor or front-end machine.

On a class diagram,the lines joining the classes represent the relationships and are called ____________________.

Discuss the differences between how client-side extensions and server-side extensions are created and executed,including the kinds of languages used to create them.

In the URL,http://www.irs.gov/individuals/index.html,the location path on the Web server is individuals.

Accessing data using messages over a network takes approximately the same amount of time as accessing data on a disk.

Access delay refers to the fixed amount of time that is required for every message.

With respect to the definition of data warehouse,____ means that data in a data warehouse represents snapshots of data at various points in time in the past.

One approach you can use to model all the various aspects of software development for object-oriented systems is known as UML.

With ____________________ visibility,only the class itself can view or update the value in the attribute.

A file server stores the files required by the users on a network.

A ____ is a subject-oriented,integrated,time-variant,nonvolatile collection of data in support of management's decision-making process.

With respect to the definition of data warehouse,____ means that data is stored in one place,even though it originates from everywhere in the organization and from a variety of external sources.

____ is a metalanguage derived from a restricted subset of SGML,and designed for the exchange of data on the Web.

____ implies that users should not need to be concerned with the location of any specific data in the database.

On a class diagram,a(n) ____________________ symbol precedes each attribute.

A(n) ____________________ DDBMS is a database that has the same local DBMS at each site.

In order to view and analyze higher levels of aggregate data,you must drill down the data.

____________________ are restrictions placed on the data that can be stored in the database.

On a client/server network,the server is a computer that provides data to the clients.