Multiple Choice
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| show | B
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| All of the following are issues with the traditional file environment except: A) data inconsistency. B) inability to develop specialized applications for functional areas. C) lack of flexibility in creating ad-hoc reports. D) poor security. E) data sharing. | show 🗑
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| A characteristic or quality that describes a particular database entity is called a(n): A) field B) tuple C) key field D) attribute E) relationship | show 🗑
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| A ________ is an example of pre-digital data storage that is comparable to a database. A) library card catalog B) cash register receipt C) doctor's office invoice D) list of sales totals on a spreadsheet E) schedule of due dates on a project outline | show 🗑
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| ________ creates confusion that hampers the creation of information systems that integrate data from different sources. A) Batch processing B) Data redundancy C) Data independence D) Online processing E) Data quality | show 🗑
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| Data ________ occurs when the same data is duplicated in multiple files of a database. A) redundancy B) repetition C) independence D) partitions E) discrepancy | show 🗑
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| show | E
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| Which of the following is a grouping of characters into a word, a group of words, or a complete number? A) File B) Table C) Entity D) Field E) Tuple | show 🗑
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| The fact that a traditional file system cannot respond to unanticipated information requirements in a timely fashion is an example of which of the following issues with traditional file systems A) Program-data dependence B) Lack of flexibility C) Poor security D) Lack of data sharing E) Data redundancy | show 🗑
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| show | E
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| A DBMS makes the: A) physical database available for different logical views. B) relational database available for different logical views. C) physical database available for different analytic views. D) relational database available for different analytic views. E) logical database available for different analytic views. | show 🗑
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| show | E
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| Which of the following is a DBMS for desktop computers? A) DB2 B) Oracle Database C) Microsoft SQL Server D) Microsoft Access E) Microsoft Exchange | show 🗑
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| show | C
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| show | D
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| show | B
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| show | A
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| show | A
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| A field identified in a record as holding the unique identifier for that record is called the: A) primary key. B) key field. C) primary field. D) unique ID. E) key attribute. | show 🗑
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| In a relational database, the three basic operations used to develop useful sets of data are: A) select, project, and where. B) select, join, and where. C) select, project, and join. D) where, from, and join. E) where, find, and select. | show 🗑
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| The select operation: A) combines relational tables to provide the user with more information than is otherwise available. B) creates a subset consisting of columns in a table. C) identifies the table from which the columns will be selected. D) creates a subset consisting of all records in the file that meet stated criteria. E) creates a subset consisting of rows in a table. | show 🗑
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| show | A
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| The project operation: A) combines relational tables to provide the user with more information than is otherwise available. B) creates a subset consisting of columns in a table. C) organizes elements into segments. D) identifies the table from which the columns will be selected. E) creates a subset consisting of rows in a table. | show 🗑
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| Microsoft Access’s data dictionary displays all of the following information about a filed except the: A) size of the field B) format of the field. C) description of the field. D) type of the field. E) the organization within the organization that is responsible for maintain the data. | show 🗑
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| show | A
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| Which of the following is a specialized language that programmers use to add and change data in the database? A) Data access language. B) Data manipulation language. C) Structured query language. D) Data definition language. E) DBMS. | show 🗑
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| Which of the following is the most prominent data manipulation language today? A) Access B) DB2 C) SQL D) Crystal Reports E) NoSQL | show 🗑
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| DBMSs typically include report-generating tools in order to: A) retrieve and display data. B) display data in an easier-to-read format. C) display data in graphs. D) perform predictive analysis. E) analyze the database's performance. | show 🗑
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| The process of streamlining data to minimize redundancy and awkward many-to-many relationships is called: A) normalization. B) data scrubbing. C) data cleansing. D) data defining. E) optimization. | show 🗑
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| A schematic of the entire database that describes the relationships in a database is called a(n): A) data dictionary. B) intersection relationship diagram. C) entity-relationship diagram. D) data definition diagram. E) data analysis table. | show 🗑
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| A one-to-many relationship between two entities is symbolized in a diagram by a line that ends with: A) one short mark. B) two short marks. C) three short marks. D) a crow's foot. E) a crow's foot topped by a short mark. | show 🗑
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| show | C
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| The term big data refers to all of the following except: A) datasets with fewer than a billion records. B) datasets with unstructured data. C) machine-generated data (i.e. from sensors). D) data created by social media (i.e. tweets, Facebook Likes). E) data from Web traffic. | show 🗑
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| Which of the following technologies would you use to analyze the social media data collected by a major online retailer? A) OLAP B) Data warehouse C) Data mart D) Hadoop E) DBMS | show 🗑
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| Which of the following is not one of the techniques used in web mining? A) Content mining B) Structure mining C) Server mining D) Usage mining E) Data mining | show 🗑
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| You wish to find out if there are any particular activities that your customers engage in, or the types of purchases made in the month before or after purchasing select items from your store. To do this, you will the data mining software you are using to do which of the following? A) Identify associations B) Identify clusters C) Identify sequences D) Classify data E) Create a forecast | show 🗑
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| show | D
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| show | D
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| show | A
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| A household appliances manufacturer has hired you to help analyze its social media datasets to determine which of its refrigerators are seen as the most reliable. Which of the following tools would you use to analyze this data? A) Text mining tools B) Sentiment analysis software C) Web mining technologies D) Data mining software 9 E) Data governance software | show 🗑
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| Which of the following tools enables users to view the same data in different ways using multiple dimensions? A) Predictive analysis B) SQL C) OLAP D) Data mining E) Hadoop | show 🗑
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| OLAP enables: A) users to obtain online answers to ad-hoc questions in a rapid amount of time. B) users to view both logical and physical views of data. C) programmers to quickly diagram data relationships. D) programmers to normalize data. E) users to quickly generate summary reports. | show 🗑
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| show | B
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| show | C
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| ________ tools are used to analyze large unstructured data sets, such as e-mail, memos, and survey responses to discover patterns and relationships. A) OLAP B) Text mining C) In-memory D) Clustering E) Classification | show 🗑
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| show | A
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| Which of the following is software that handles all application operations between browser-based computers and a company's back-end business applications or databases? A) Database server software B) Application server software C) Web browser software D) Data mining software E) Web server software | show 🗑
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| In data mining, which of the following involves using a series of existing values to determine what other future values will be? A) Associations B) Sequences C) Classifications D) Clustering E) Forecasting | show 🗑
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| An organization's rules for sharing, disseminating, acquiring, standardizing, classifying, and inventorying information is called a(n): A) information policy. B) data definition file. C) data quality audit. D) data governance policy. E) data policy. | show 🗑
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| In a large organization, which of the following functions would be responsible for physical database design and maintenance? A) Data administration B) Database administration. C) Information policy administration D) Data auditing E) Database management | show 🗑
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| show | D
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| Detecting and correcting data in a database or file that are incorrect, incomplete, improperly formatted, or redundant is called: A) data auditing. B) defragmentation. C) data scrubbing. D) data optimization. E) data normalization. | show 🗑
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| show | E
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| Which of the following is not a method for performing a data quality audit? A) Surveying entire data files B) Surveying samples from data files C) Surveying data definition and query files D) Surveying end users about their perceptions of data quality E) Surveying managers about their perceptions of data quality | show 🗑
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| In a large organization, which of the following functions would be responsible for policies and procedures for managing internal data resources? A) Data administration B) Database administration. C) Information policy administration D) Data auditing E) Database management | show 🗑
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| In data mining, which of the following involves recognizing patterns that describe the group to which an item belongs by examining existing items and inferring a set of rules? A) Associations B) Sequences C) Classifications D) Clustering E) Forecasting | show 🗑
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| In data mining, which of the following involves events linked over time? A) Associations B) Sequences C) Classifications D) Clustering E) Forecasting | show 🗑
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| MongoDB and SimpleDB are both examples of: A) open source databases. B) SQL databases. C) NoSQL databases. D) cloud databases. E) big data databases. | show 🗑
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| show | A
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| Which of the following would you use to find patterns in user interaction data recorded by a web server? A) Web usage mining B) Web server mining C) Web structure mining D) Web content mining E) Web protocol mining | show 🗑
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