CHAPTER 4
18) The data dictionary usually is maintained A) automatically by the DBMS. B) by the database administrator. C) by the database programmers. D) by top management.
A
2) In a well-structured relational database, A) every table must be related to at least one other table. B) every table must be related to all other tables. C) one table must be related to at least one other table. D) one table must be related to all other tables.
A
20) Which statement below concerning the database management system (DBMS) is false? A) The DBMS automatically creates application software for users, based on data dictionary parameters. B) The DBMS automatically maintains the data dictionary. C) Users' requests for information are transmitted to the DBMS through application software. D) The DBMS uses special languages to perform specific functions.
A
21) Which would not generally be considered a data dictionary output report? A) A list of cash balances in the organization's bank accounts B) A list of all programs in which a data element is used C) A list of all synonyms for the data elements in a particular file D) A list of all data elements used by a particular user
A
22) Creating an empty table in a relational database requires use of the ________, and populating that table requires the use of ________. B) DQL; SQL C) DDL; DQL D) DML; DDA
A
23) When the human resources manager wants to gather data about vacation and personal day usage by employees and by departments, the manager would use which language? A) Data Query Language B) Data Manipulation Language C) Data Report Language D) Data Definition Language
A
24) If a national sales tax were implemented, which language would be used to add a new field in the sales table to track the sales tax due? A) Data Definition Language B) Data Manipulation Language C) Data Query Language D) Data Update Language
A
25) The feature in many database systems that simplifies the creation of reports by allowing users to specify the data elements desired and the format of the output. is named the A) report writer. B) report generator. C) report creator. D) report printer.
A
26) The abstract representation of the contents of a database is called the A) logical data model. B) data dictionary. C) physical view. D) schema.
A
27) The problem of changes (or updates) to data values in a database being incorrectly recorded is known as A) an update anomaly. B) an insert anomaly. C) a delete anomaly. D) a memory anomaly.
A
28) The potential inconsistency that could occur when there are multiple occurrences of a specific data item in a database is called the A) update anomaly. B) insert anomaly. C) inconsistency anomaly. D) delete anomaly.
A
32) The delete anomaly A) may result in unintentional loss of important data. B) is usually easily detected by users. C) restricts the addition of new records. D) prevents users from deleting outdated data from records or tables.
A
33) The update anomaly in file-based systems or unnormalized database tables A) occurs because of data redundancy. B) restricts addition of new fields or attributes. C) results in records that cannot be updated. D) is usually easily detected by users.
A
34) In a relational database, requiring that every record in a table have a unique identifier is called the A) entity integrity rule. B) referential integrity rule. C) unique primary key rule. D) foreign key rule. Answer: A
A
42) What is one potential drawback in the design and implementation of database systems for accounting? A) Double-entry accounting relies on redundancy as part of the accounting process but well-designed database systems reduce and attempt to eliminate redundancy. B) Relational DBMS query languages will allow financial reports to be prepared to cover whatever time periods managers want to examine. C) Relational DBMS provide the capability of integrating financial and operational data. D) Relational DBMS can accommodate multiple views of the same underlying data; therefore, tables storing information about assets can include data about both historical and replacement costs.
A
44) In a well-designed and normalized database, which of the following attributes would be a foreign key in a cash receipts table? A) Customer number B) Cash receipt date C) Remittance advice number D) Customer check number
A
48) Dana Halsey is chair of the Purebred Marmoset Society, which maintains a database of registered purebred marmosets and their breeding history. One table will store the name, birth date, and other characteristics of all of the marmosets that have been registered. Each marmoset is uniquely identified by a registration number. A second table will contain data that link each marmoset to its male and female parents by means of their registration numbers. The entities described by the first table are: A) marmosets B) parental relationships C) registration numbers D) names
A
53) Scuz Bootes has been doing custom choppers, piercings, and tattoos for over thirty years. His home and place of business is a garage in the harbor district of Seattle, Washington. He has meticulous records of every job he has ever done, carefully handwritten with the customer name and address, a description of the job, and an attached picture of the bike or body part before and after customization. His unique style has recently attracted the attention of national media after several celebrities sought him out and showcased his work. Business is booming. Consequently, Scuz has hired you to construct an accounting information system, beginning with the historical records. As you read through the records, you notice that some customer last names have different first names in different records. For example, R. Framington Farnsworth (custom chopper), Bob Farnsworth (tattoo), and Snake Farnsworth (tattoos and piercings) all seem to be the same person. You explain to Scuz that every customer must be identified by a unique customer number in the AIS. You are referring to the A) entity integrity rule. B) referential integrity rule. C) update anomaly. D) insert anomaly.
A
11) The logical structure of a database is described by the A) data dictionary. B) schema. C) database management system. D) internal level.
B
16) The ________ contains information about the structure of the database. A) data definition language B) data dictionary C) data warehouse D) database management system
B
17) Which of the following would not be found in a data dictionary entry for a data item? A) records containing a specific data item B) physical location of the data C) source of the data item D) field type
B
29) Inability to add new data to a database without violating the basic integrity of the database is referred to as the A) update anomaly. B) insert anomaly. C) integrity anomaly. D) delete anomaly. Answer: B
B
30) A relational database in which customer data is not maintained independently of sales invoice data will most likely result in A) an update anomaly. B) an insert anomaly. C) a delete anomaly. D) an integrity anomaly.
B
35) The database requirement that foreign keys must be null or have a value corresponding to the value of a primary key in another table is formally called the A) entity integrity rule. B) referential integrity rule. C) rule of keys. D) foreign key rule.
B
36) In a well-structured database, the constraint that ensures the consistency of the data is known as the A) entity integrity rule. B) referential integrity rule. C) logical view. D) consistency integrity rule.
B
4) Which statement is true regarding file systems? A) Transaction files are similar to ledgers in a manual AIS. B) Multiple master files create problems with data consistency. C) Transaction files are permanent. D) Individual records are never deleted in a master file.
B
47) Dana Halsey is chair of the Purebred Marmoset Society, which maintains a database of registered purebred marmosets and their breeding history. One table will store the name, birth date, and other characteristics of all of the marmosets that have been registered. Each marmoset is uniquely identified by a registration number. A second table will contain data that link each marmoset to its male and female parents by means of their registration numbers. The entities described by the second table are: A) marmosets B) parental relationships C) registration numbers D) names
B
49) Dana Halsey is chair of the Purebred Marmoset Society, which maintains a database of registered purebred marmosets and their breeding history. One table will store the name, birth date, and other characteristics of all of the marmosets that have been registered. Each marmoset is uniquely identified by a registration number. A second table will contain data that link each marmoset to its male and female parents by means of their registration numbers. The primary key in the first table is: A) name B) registration number C) date of birth D) relationship number
B
55) Chelsana Washington is a medical equipment sales representative. Her company has provided her with a laptop computer that uses wireless connectivity to access the accounting information system from virtually anywhere in the country. She, and the other sales reps, have access to view customer and product information. They have access that allows them to enter and cancel customer orders. The permissions for Chelsana define a(an) ________ in the company's database management system. A) conceptual-level schema B) subschema C) data dictionary D) physical view
B
56) Chelsana Washington is a medical equipment sales representative. Her company has provided her with a laptop computer that uses wireless connectivity to access the accounting information system from virtually anywhere in the country. She, and the other sales reps, have access to view customer and product information. They have access that allows them to enter and cancel customer orders. The permissions for the sales reps define a(an) ________ in the company's database management system. A) conceptual-level schema B) external-level schema C) data dictionary D) physical view
B
57) Shandra Bundawi is a new graduate who has been hired by an old-line, family-owned furniture manufacturing company in the northeast. She has been asked to analyze the company's accounting information system and to recommend cost-effective improvements. After noting that the production and sales departments use database systems that are entirely separated, she recommends that they be combined. Implementation of her recommendation would benefit the company by contributing to data A) independence. B) integration. C) redundancy. D) qualifications.
B
59) Heidi Holloway is a headhunter with Career Funnel in Boca Raton, Florida. Heidi is proud of the company's motto: We funnel workers into jobs. The foundation of CF's success is its accounting information system. When a client is placed with an employer, a record is created that identifies the employment relationship. CF follows up on placements by surveying both employers and clients about the employment experience and then entering the results into the AIS. Clients are uniquely identified by social security number. In records that contain client survey data,the social security number number is likely to be A) the primary key. B) a foreign key. C) combined with other data fields to form a primary key. D) null.
B
7) The person responsible for the database is the A) data coordinator. B) database administrator. C) database manager. D) database master.
B
8) All of the following are benefits of the database approach except: A) Data integration and sharing B) Decentralized management of data C) Minimal data redundancy D) Cross-functional analysis and reporting
B
1) Using a file-oriented approach to data and information, data is maintained in A) a centralized database. B) many interconnected files. C) many separate files. D) a decentralized database.
C
10) The ________ handles the link between the way data are physically stored and each user's logical view of that data. A) data warehouse B) data dictionary C) database management (DBMS) software D) schema
C
12) The schema that provides an organization-wide view of the entire database is known as the A) external-level schema. B) internal-level schema. C) conceptual-level schema. D) logical view of the database.
C
13) A set of individual user views of the database is called the A) conceptual-level schema. B) internal-level schema. C) external-level schema. D) meta-schema.
C
14) A low-level view of the database that describes how the data are actually stored and accessed is the A) conceptual-level schema. B) subschema. C) internal-level schema. D) external-level schema.
C
15) Record layouts, definitions, addresses, and indexes will be stored at the ________ level schema. A) external B) conceptual C) internal D) meta
C
31) The problem of losing desired information from a database when an unwanted record is purged from the database is referred to as the ________ anomaly. A) purge B) erase C) delete D) integrity
C
38) Identify the aspect of a well-structured database that is incorrect. A) Data is consistent. B) Redundancy is minimized and controlled. C) All data is stored in one table or relation. D) The primary key of any row in a relation cannot be null.
C
39) In the database design approach known as normalization, the first assumption made about data is A) there is no redundancy in the data. B) the delete anomaly will not apply since all customer records will be maintained indefinitely. C) everything is initially stored in one large table. D) the data will not be maintained in 3NF tables. Answer: C
C
45) Dana Halsey is chair of the Purebred Marmoset Society, which maintains a database of registered purebred marmosets and their breeding history. One table will store the name, birth date, and other characteristics of all of the marmosets that have been registered. Each marmoset is uniquely identified by a registration number. A second table will contain data that link each marmoset to its male and female parents by means of their registration numbers. The primary key in the first table is: A) name B) birth date C) a foreign key in the second table. D) the primary key in the second table.
C
46) Dana Halsey is chair of the Purebred Marmoset Society, which maintains a database of registered purebred marmosets and their breeding history. One table will store the name, birth date, and other characteristics of all of the marmosets that have been registered. Each marmoset is uniquely identified by a registration number. A second table will contain data that link each marmoset to its male and female parents by means of their registration numbers. The primary key in the second table is: A) name B) birth date C) a combination of primary keys in the first table D) the same as the primary key in the first table
C
5) The ________ acts as an interface between the database and the various application programs. A) data warehouse B) database administrator C) database management system D) database system
C
58) Scuz Bootes has been doing custom choppers, piercings, and tattoos for over thirty years. His home and place of business is a garage in the harbor district of Seattle, Washington. He has meticulous records of every job he has ever done. These have been entered into a computerized accounting information system that his accountant refers to as a "data warehouse." Scuz is considering an expansion of his business into scarification, and has asked his accountant to identify past customers who might be likely candidates for this service. Scuz wants his accountant to engage in A) customer auditing. B) customer resource management. C) data mining. D) enterprise resource planning.
C
6) The combination of the database, the DBMS, and the application programs that access the database through the DBMS is referred to as the A) data warehouse. B) database administrator. C) database system. D) database manager.
C
9) The physical view of a database system refers to A) how a user or programmer conceptually organizes and understands the data. B) how the DBMS accesses data for a certain application program. C) how and where the data are physically arranged and stored. D) how master files store data values used by more than one application program.
C
19) Reports produced using the data dictionary could include all of the following except a list of A) programs where a data item is used. B) synonyms for the data items in a particular file. C) outputs where a data element is used. D) the schemas included in a database
D
3) File-oriented approaches create problems for organizations because of A) multiple transaction files. B) a lack of sophisticated file maintenance software. C) multiple users. D) multiple master files.
D
37) Which statement below is false regarding the basic requirements of the relational data model? A) Every column in a row must be single-valued. B) All non-key attributes in a table should describe a characteristic about the object identified by the primary key. C) Foreign keys, if not null, must have values that correspond to the value of a primary key in another table. D) Primary keys can be null.
D
40) The database design method in which a designer uses knowledge about business processes to create a diagram of the elements to be included in the database is called A) normalization. B) decentralization. C) geometric data modeling. D) semantic data modeling.
D
41) Which of the statements below is incorrect? A) Semantic data modeling facilitates the efficient design of databases. B) Semantic data modeling facilitates communicating with the intended users of the system. C) Semantic data modeling allows a database designer to use knowledge about business processes to design the database. D) Semantic data modeling follows the rules of normalization in the design of a database.
D
43) Which is probably the most immediate and significant effect of database technology on accounting? A) replacement of the double entry-system B) change in the nature of financial reporting C) elimination of traditional records such as journals and ledgers D) quicker access to and greater use of accounting information in decision-making
D
50) Dana Halsey is chair of the Purebred Marmoset Society, which maintains a database of registered purebred marmosets and their breeding history. One table will store the name, birth date, and other characteristics of all of the marmosets that have been registered. Each marmoset is uniquely identified by a registration number. A second table will contain data that link each marmoset to its male and female parents by means of their registration numbers. The primary key in the second table is: A) name B) registration number C) date of birth D) relationship number
D
52) Scuz Bootes has been doing custom choppers, piercings, and tattoos for over thirty years. His home and place of business is a garage in the harbor district of Seattle, Washington. He has meticulous records of every job he has ever done, carefully handwritten with the customer name and address, a description of the job, and an attached picture of the bike or body part before and after customization. His unique style has recently attracted the attention of national media after several celebrities sought him out and showcased his work. Business is booming. Consequently, Scuz has hired you to construct an accounting information system, beginning with the historical records. As you read through the records, you notice that some describe multiple services. For example, Sheila Yasgur (notation: won lottery) got a custom chopper, multiple tattoos, and piercings in undisclosed locations (no pictures.) You realize that, in these cases, a single written record will have to be translated into multiple sales records. This is an example of what type of problem in the existing records? A) Entity integrity B) Referential integrity C) Update anomaly D) Insert anomaly
D
54) Scuz Bootes has been doing custom choppers, piercings, and tattoos for over thirty years. His home and place of business is a garage in the harbor district of Seattle, Washington. He has meticulous records of every job he has ever done, carefully handwritten with the customer name and address, a description of the job, and an attached picture of the bike or body part before and after customization. His unique style has recently attracted the attention of national media after several celebrities sought him out and showcased his work. Business is booming. Consequently, Scuz has hired you to construct an accounting information system, beginning with the historical records. You begin development of the relational database that will form the core of the AIS by envisioning the record stored in a single table with a column that represents each attribute. You then begin to break this table down into smaller tables. This process is called A) integration. B) optimization. C) minimization. D) normalization.
D
