Exam 14: Databases and Database Management Systems

Case 14-2 The JL Group is a political think tank that is incorporating new media into their analyses. -The employees of JL Group who use the database of the company for their daily work,without having knowledge of how the underlying database is structured,interact with the database ____.

The finished specifications for a table are commonly referred to as the table format.

____ is a growing concern because of the vast amounts of personal data stored in databases today and the many breaches that have occurred in the recent past.

DBMSs available for use on personal computers include ____ and Corel Paradox.

Middleware for Web database applications is commonly written as ____-short sections of code written in a programming or scripting language that are executed by another program.

One advantage of the n-tier architecture is that it allows the program code used to access the database to be separate from the database,and the code can be divided into any number of logical components.

Database developers are the people responsible for managing the databases within an organization.

____________________ entity relationships exist when one entity is related to only one other entity of a particular type.

The data dictionary includes data located in the database tables.

Discuss database entities and attributes.

N-tier database systems provide a great deal of flexibility and scalability,allowing the system to be modified as new needs and opportunities arise.

A(n)____________________ is a specific field in a database table that uniquely identifies the records in that table.

With HOLAP (Hybrid OLAP),a combination of MOLAP and ROLAP technologies are used.

A database typically consists of interrelated ____________________ consisting of fields and records.

The appearance and content of ____________________ Web

Typically,in hierarchical database management systems,a one-to-one relationship exists between data entities.

In ____________________ organization,the order of the records is physically based on the content of the key field.

What do database administrators do?

____________________ script is a set of instructions written in a programming language and designed to accept data from and return data to a Web

One of the simplest hashing algorithms involves dividing the primary key field by a particular ____.