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35 Cards in this Set
- Front
- Back
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What type of database exists in many separate locations throughout a network or the Internet?
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Answer: distributed |
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What is DBMS?
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Answer: software |
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What was Megan’s Law designed to do?
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Answer: create a list of names and addresses of people convicted of crimes against children. |
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In the database pictured in the accompanying figure, which of the following is a combination of one or more related characters or bytes and is the smallest unit of data a user accesses?
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Answer: field |
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Most DBMSs include a feature, as shown in the middle image within the accompanying figure, which has a graphical user interface to assist users with retrieving data. What is this feature called?
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Answer: QBE (Query By Example) |
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Which term is used to describe the practice that users’ access privileges are limited to the lowest level necessary to perform required tasks?
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Answer: principle of least privilege |
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What is a feature that has a graphical user interface to assist users with retrieving data?
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Answer: QBE (query by example) |
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A user of a database such as that pictured in the accompanying figure refers to a record as what?
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Answer: row |
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In a database which of the following is a connection within the data?
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Answer: relationship |
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A checkout clerk with this level of privileges to the email addresses in a discount warehouse database could view the addresses but not change them. What is this level of privileges called?
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Answer: read-only |
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You create a database that stores data in tables that consist of rows and columns. Each row has a primary key, and each column has a unique name. Which data model did you use?
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Answer: relational |
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If you are running a check that applies a formula to the primary key, what kind of check are you running?
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Answer: check digit |
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Who was the inventor of the relational database model?
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Answer: E. F. Codd (Edgar F. Codd) |
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Which of the following does a back end interact with?
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Answer: DBMS (DataBase Management System) |
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SQL stands for which of the following?
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Answer: Structured Query Language |
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Which of the following consists of rules and standards that define how a database organizes data?
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Answer: data model |
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What is the term for a feature that has a graphical user interface to assist users with retrieving data?
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Answer: QBE (Query By Example) |
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Which of the following languages consists of simple, English-like statements that allow users to specify the data to display, print, or store?
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Answer: query |
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What does the S in SQL stand for?
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Answer: Structured (Structured Query Language) |
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Which of the following is a request for specific data from a database?
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Answer: query |
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What is another term used for data dictionary?
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Answer: repository |
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Which of the following is an item that contains data, as well as the actions that read or process the data?
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Answer: object |
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A DBMS uses which of the following to perform validation checks?
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Answer: data dictionary |
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In what kind of recovery does the DBMS use the log to undo any changes made to a database during a certain period?
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Answer: backward |
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What is the process of presenting data graphically as charts, maps, or other pictorial formats in order to understand the resulting information easily?
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Answer: data visualization |
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Which of the following statements about data types is FALSE?
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Answer: Text data types are used for lengthy memos. |
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Which of the following is a collection of data organized in a manner that allows access, retrieval, and use of that data?
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Answer: database |
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Analysts often refer to the three ____’s when describing characteristics of Big Data.
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Answer: V's (Volume, Velocity and Variety) |
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Which of the following statements is FALSE about relational databases?
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Answer: Applications best suited for relational databases are those whose data can be organized into a three-dimensional table. |
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What involves showing users exactly how they will use the new hardware and software in the system?
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Answer: training |
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A table that has rows and columns is what type of table?
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Answer: two-dimensional |
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In your school’s database, in which of the following is all of the information about a particular student stored?
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Answer: a record |
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What type of database are organizations MOST LIKELY to use for payroll, accounts receivable, inventory, and invoicing?
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Answer: a relational database |
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Which of the following is a nonprocedural language that enables users and software developers to access data in a database?
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Answer: 4GL (4th Generation Language) |
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Which of the following refers to the different formats to represent or store data for use by humans and computer applications?
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Answer: variety |
