Deck 9: Database Design

Question 1

Database designs that fail to recognize that the database is part of a larger information system are not likely to be successful.

Answer 1

True

Question 2

The primary objective in database design is to create complete,denormalized,redundant,and fully integrated conceptual,logical,and physical database models.

Answer 2

False

Question 3

The SDLC traces the history of an information system.

Answer 3

True

Question 4

The SDLC provides the big picture within which the database design and application development can be mapped out and evaluated.

Question 5

The SDLC's planning phase yields a general overview of the company and its objectives.

Question 6

Problems defined during the planning phase are examined in greater detail during the analysis phase.

Question 7

During the testing phase,the system is subjected to exhaustive testing until it is ready for use.

Question 8

After testing is concluded,end-user training is not necessary.

Question 9

A system maintenance activity generated in response to changes in the business environment is referred to as corrective maintenance.

Question 10

The term "database development" is used to describe the process of database design and implementation.

Question 11

The detailed systems design phase includes all the necessary technical specifications for the screens,menus,reports,and other devices used to make the system more efficient.

Question 12

Training principles and methodologies are planned during the implementation phase.

Question 13

In the detailed systems design phase,the designer starts the design of the system's processes.

Question 14

Because every request for structural changes requires retracing the SDLC steps,the system is always at some stage of the SDLC.

Question 15

The implementation phase of database design includes creating the database storage structure and loading the database,but does not provide for data management.

Question 16

The result of analysis should be a better understanding of the system's functional areas,actual and potential problems,and opportunities.

Question 17

In the detailed systems design phase,steps are laid out for conversion from the old system to the new system.

Question 18

During the implementation phase,the hardware,the DBMS software,and application programs are installed and the database design is implemented.

Question 19

The existing hardware and software systems are studied during the planning phase.

Question 20

Systems analysis is used to determine the need for an information system and to establish its limits.

Question 21

The initial assessment and the feasibility study are part of the SDLC's ____ phase.

A) planning
B) analysis
C) detailed systems design
D) implementation

Question 22

Database performance is one of the least important factors in all database implementations.

Question 23

Installation and fine tuning are part of the ____ phase of the SDLC.

A) planning
B) analysis
C) detailed systems design
D) implementation

Question 24

The testing and evaluation phase occurs after applications programming.

Question 25

The database administrator must be prepared to perform routine maintenance activities within the database.

Question 26

To analyze the company situation,the database designer must discover what the company's operational components are,how they function,and how they interact.

Question 27

The process of database design and implementation is ____ development.

A) systems
B) database
C) network
D) transformation

Question 28

The process of creating an information system is known as ____ development.

A) systems
B) database
C) network
D) transformation

Question 29

User requirements,existing system evaluation,and logical system design are part of the ____ phase of the SDLC.

A) planning
B) analysis
C) detailed systems design
D) implementation

Question 30

Performance evaluation is rendered more difficult by the fact that there are standard measurements for database performance.

Question 31

Coding,testing,and debugging are part of the ____ phase of the SDLC.

A) planning
B) analysis
C) detailed systems design
D) implementation

Question 32

Data integrity is enforced by the DBMS through the proper use of primary and foreign key rules.

Question 33

Decentralized design is typical of relatively simple and/or small databases and can be successfully done by a single person.

Question 34

The traditional SDLC is divided into ____ phases.

A) two
B) three
C) four
D) five

Question 35

The primary objective of database design is ____.

A) to create the most efficient database possible
B) to create complete, normalized, nonredundant, and fully integrated conceptual, logical, and physical database models
C) to create the fastest queries
D) to be able to add data quickly

Question 36

A detailed system specification is part of the ____ phase of the SDLC.

A) planning
B) analysis
C) detailed systems design
D) implementation

Question 37

In most modern relational DBMSs,a new database implementation requires the creation of special storage-related constructs to house the end-user tables.

Question 38

Physical design becomes simpler when data is distributed at different locations.

Question 39

After the initial declarations in a study,the database designer must carefully probe in order to generate additional information that will help define the problem within the larger framework of company operations.

Question 40

Evaluation,maintenance,and enhancement are part of the ____ phase of the SDLC.

A) planning
B) maintenance
C) detailed systems design
D) implementation

Question 41

There are ____ stages in the DBLC.

A) four
B) five
C) six
D) seven

Question 42

The first step in the DBLC is ____.

A) operation
B) database initial study
C) database design
D) implementation and loading

Question 43

Installing the DBMS,creating the database,and loading or converting the data are part of the ____ phase of the DBLC.

A) database initial study
B) database design
C) implementation and loading
D) testing and evaluation

Question 44

Testing,fine-tuning,and evaluating the database and its applications are part of the ____ phase of the DBLC.

A) database initial study
B) database design
C) implementation and loading
D) testing and evaluation

Question 45

The conceptual design step that determines end-user views,outputs,and transaction-processing requirements is ____.

A) data analysis and requirements
B) entity relationship modeling and normalization
C) data model verification
D) distributed database design

Question 46

The implementation and loading phase of the DBLC involves ____.

A) defining objectives
B) introducing changes
C) testing the database
D) installing the DBMS

Question 47

"Should the existing system be replaced?" is a question that is asked during the ____ stage of the SDLC.

A) planning
B) analysis
C) implementation
D) maintenance

Question 48

The design of the system's processes is completed during the ____ phase of the SDLC.

A) planning
B) analysis
C) detailed systems design
D) implementation

Question 49

Analyzing the company situation is part of the ____ phase of the DBLC.

A) database initial study
B) database design
C) implementation and loading, testing, and evaluation
D) operation

Question 50

The logical systems design is created during the ____ phase of the SDLC.

A) planning
B) analysis
C) implementation
D) maintenance

Question 51

The conceptual design step that defines entities,attributes,and relationships is ____.

A) database analysis and requirements
B) entity relationship modeling and normalization
C) data model verification
D) distributed database design

Question 52

Producing the required information flow is part of the ____ phase of the DBLC.

A) database initial study
B) database design
C) operation
D) testing and evaluation

Question 53

The database is loaded during the ____ phase of the SDLC.

A) analysis
B) detailed systems design
C) implementation
D) maintenance

Question 54

The conceptual design step that identifies ER modules and validates insert,update,and delete rules is ____.

A) database analysis and requirements
B) ER modeling and normalization
C) data-model verification
D) distributed database design

Question 55

The database initial study phase of the DBLC involves ____.

A) defining objectives
B) introducing changes
C) testing the database
D) installing the DBMS

Question 56

The SDLC is most important to the ____.

A) programmer
B) manager
C) system designer
D) database administrator

Question 57

The last step in the DBLC is ____.

A) maintenance and evolution
B) operation
C) testing and evaluation
D) implementation and loading

Question 58

The implementation of ____-produced applications tends to prolong the operational life of systems by making them easier to update and maintain.

A) database
B) network
C) CASE
D) design

Question 59

Creating the conceptual design and selecting DBMS software are part of the ____ phase of the DBLC.

A) database initial study
B) database design
C) implementation and loading
D) testing and evaluation

Question 60

"What are the requirements of the current system's end users?"is a question asked during the ____ phase of the SDLC.

A) planning
B) analysis
C) implementation
D) maintenance

Question 61

The system's ____________________ defines the extent of the design according to operational requirements.

Question 62

After testing is concluded,the final ____________________ is reviewed and printed and end users are trained.

Question 63

The traditional SDLC phases are ____________________,analysis,detailed systems design,implementation,and maintenance.

Question 64

The proposed system is subject to limits known as ____________________,which are external to the system.

Question 65

The ____ design is the process of selecting the data storage and data access characteristics of the database.

A) time
B) network
C) logical
D) physical

Question 66

An initial assessment of the information flow-and-extent requirements must be made during the ____________________ portion of the SDLC.

Question 67

The maintenance and evolution phase of the DBLC involves ____.

A) defining objectives
B) introducing changes
C) testing the database
D) installing the DBMS

Question 68

During decentralized design,after the ____ process has been completed,all modules are integrated into one conceptual model.

A) initial
B) verification
C) conceptual
D) logical

Question 69

A(n)____________________ is a carefully designed and constructed repository of facts that is a part of a larger whole known as an information system.

Question 70

The first step in developing the conceptual model using ER diagrams is to ____.

A) normalize the entities
B) complete the initial ER diagram
C) identify, analyze, and refine the business rules
D) define the attributes, primary keys, and foreign keys for each of the entities

Question 71

____ allow(s)physical access to areas by authorized personnel only.

A) Physical security
B) Password security
C) Access rights
D) Data encryption

Question 72

Once the data has been loaded into the database,the ____ tests and fine-tunes the database for performance,integrity,concurrent access,and security constraints.

A) programmer
B) manager
C) database administrator
D) systems administrator

Question 73

The first step in the ER model verification process is to ____.

A) identify each module and its components
B) identify the ER model's central entity
C) verify all processes against the ER model
D) identify each module's internal transaction requirements

Question 74

The database contents may be loaded interactively or in ____________________ mode.

Question 75

There are ____ classical approaches to database design.

A) two
B) three
C) four
D) five

Question 76

____________________ is the process that establishes the need for,and the extent of,an information system.

Question 77

The conceptual design step that defines the DBMS and data model to use is ____.

A) database analysis and requirements
B) ER modeling and normalization
C) data-model verification
D) distributed database design

Question 78

The company ____________________ describes the general conditions in which a company operates,its organizational structure,and its mission.

Question 79

____ coupling describes the extent to which modules are independent of one another.

A) Verification
B) Process
C) Module
D) Cohesive

Question 80

The advent of very sophisticated application generators and ____________________ tools has substantially decreased coding and testing time.