1、Management Information Systems, 12e (Laudon)Chapter 6 Foundations of Business Intelligence: Databases and Information Management1) A grouping of characters into a word, a group of words, or a complete number is called a record.Answer: FALSEDiff: 1Page Ref: 210AACSB: Use of ITCASE: ContentObjective:
2、6.32) Each characteristic or quality describing a particular entity is called an attribute.Answer: TRUEDiff: 1Page Ref: 210AACSB: Use of ITCASE: ContentObjective: 6.33) Program-data dependence refers to the coupling of data stored in files and software programs that use this data such that changes i
3、n programs require changes to the data.Answer: TRUEDiff: 2Page Ref: 211AACSB: Use of ITCASE: ContentObjective: 6.14) A DBMS separates the logical and physical views of data. Answer: TRUEDiff: 2Page Ref: 212AACSB: Use of ITCASE: ContentObjective: 6.25) Every record in a file should contain at least o
4、ne key field.Answer: TRUEDiff: 1Page Ref: 214AACSB: Use of ITCASE: ContentObjective: 6.36) Many applications today require databases that can store and retrieve multimedia.Answer: TRUEDiff: 1Page Ref: 215AACSB: Use of ITCASE: ContentObjective: 6.27) One of the drawbacks to OODBMS are that they canno
5、t work with applets.Answer: FALSEDiff: 2Page Ref: 215AACSB: Use of ITCASE: ContentObjective: 6.28) OODBMS are slower than relational DBMS.Answer: TRUEDiff: 2Page Ref: 215AACSB: Use of ITCASE: ContentObjective: 6.29) A data dictionary is a language associated with a database management system that en
6、d users and programmers use to manipulate data in the database.Answer: FALSEDiff: 1Page Ref: 217AACSB: Use of ITCASE: ContentObjective: 6.210) In a relational database, complex groupings of data must be streamlined to eliminate awkward many-to-many relationships.Answer: TRUEDiff: 1Page Ref: 220AACSB
7、: Use of ITCASE: ContentObjective: 6.311) A data warehouse may be updated by a legacy system.Answer: TRUEDiff: 1Page Ref: 222AACSB: Use of ITCASE: ContentObjective: 6.412) A data warehouse is typically comprised of several smaller data marts.Answer: FALSEDiff: 2Page Ref: 223AACSB: Use of ITCASE: Con
8、tentObjective: 6.413) OLAP is a key tool of BI.Answer: TRUEDiff: 2Page Ref: 224AACSB: Use of ITCASE: ContentObjective: 6.414) OLAP enables users to obtain online answers to ad-hoc questions in a fairly rapid amount of time, except when the data are stored in very large databases.Answer: FALSEDiff: 2
9、Page Ref: 224AACSB: Use of ITCASE: ContentObjective: 6.415) Predictive analysis is synonymous with data mining.Answer: FALSEDiff: 3Page Ref: 226AACSB: Use of ITCASE: ContentObjective: 6.416) In a Web-based database, middleware is used to transfer information from the organizations internal database
10、back to the Web server for delivery in the form of a Web page to the user.Answer: TRUEDiff: 2Page Ref: 229AACSB: Use of ITCASE: ContentObjective: 6.417) The disadvantage of using a Web interface for a database is that it typically requires substantial changes to the internal database.Answer: FALSEDi
11、ff: 1Page Ref: 229AACSB: Use of ITCASE: ContentObjective: 6.418) Common Gateway Interface is a specification for processing data on a Web server.Answer: TRUEDiff: 2Page Ref: 2931AACSB: Use of ITCASE: ContentObjective: 6.419) Data administration is a special organizational function that manages the p
12、olicies and procedures through which data can be managed as an organizational resource.Answer: TRUEDiff: 2Page Ref: 230AACSB: Use of ITCASE: ContentObjective: 6.520) Data cleansing is the same process as data scrubbing.Answer: TRUEDiff: 1Page Ref: 231AACSB: Use of ITCASE: ContentObjective: 6.521) Wh
13、ich of the following best illustrates the relationship between entities and attributes?A) the entity CUSTOMER with the attribute PRODUCTB) the entity CUSTOMER with the attribute PURCHASEC) the entity PRODUCT with the attribute PURCHASED) the entity PRODUCT with the attribute CUSTOMERAnswer: BDiff: 3
14、Page Ref: 210AACSB: Analytic SkillsCASE: AnalysisObjective: 6.322) Which of the following is not one of the main problems with a traditional file environment?A) data inconsistencyB) program-data independenceC) lack of flexibility in creating ad-hoc reportsD) poor securityAnswer: BDiff: 2Page Ref: 21
15、1AACSB: Use of ITCASE: AnalysisObjective: 6.123) A DBMS reduces data redundancy and inconsistency by A) enforcing referential integrity. B) uncoupling program and data.C) utilizing a data dictionary. D) minimizing isolated files with repeated data.Answer: DDiff: 3Page Ref: 213AACSB: Use of ITCASE: ContentObjective: 6.124) A characterist
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