Exam 14: Electronic Commerce, Databases, and Personal Privacy

____ is an online classified ad site.

A ____ is an attribute or combination of attributes that uniquely identifies a tuple.

Related records-say, the records of all the employees in a single company-are kept in a ____.

A(n) meta tag is a small text file that the web server sends to the user's browser and that gets stored on the user's hard drive._________________________

Explain what Craigslist is and how it works.

You maintain a ____ web presence to streamline transactions between you as the seller and other businesses as buyers.

In the ____ world, financial transactions are conducted by electronic means.

A program written in ____________________ asks for something to be done but it does not contain a specific sequence of instructions on how it is to be done.

Discuss the ability of cloud computing to expand and contract with the needs of your business.

A good DBMS incorporates the services of a ____ to organize the disk files in an optimal way, in order to minimize access time to the records.

A disk input/output (I/O) operation is a much slower process than accessing information stored in main memory, sometimes by as much as three or four orders of magnitude._________________________

A standard data DVD holds ____ GB of data.

A(n) ____________________ is a graphical ad, often with animation, placed in a prominent position on a web page.

To the user, distributed databases look like a single database with fast access times, just like data being accessed on the local machine.

A database management system works much like a simple file manager.

The Census Bureau of the U.S.Department of Commerce estimated ecommerce retail sales in the United States for the first quarter of 2014 to be $71.2 billion, an increase of 15% from the first quarter of 2013.

Opening an online store requires less planning than building another physical store location.

The number-one attraction to online shopping is probably ____.

Encryption is the process of verifying the identity of the receiver of the data._________________________

Using multiple ____________________ in a single database minimizes the amount of work required to maintain consistency in the data.