Deck 9: Database Design

Question 1

In the Systems Development Life Cycle (SDLC), problems defined during the planning phase are examined in greater detail during the analysis phase.

Answer 1

True

Question 2

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

Answer 2

False

Question 3

After the initial declarations in Database Life Cycle (DBLC), 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.

Answer 3

True

Question 4

Systems analysis establishes the need for an information system and its extent.

Question 5

In the Systems Development Life Cycle(SDLC), the design of the system's processes begins in the detailed systems design phase.

Question 6

The Systems Development Life Cycle (SDLC) traces the history of an information system.

Question 7

In the detailed systems design phase of the Systems Development Life Cycle (SDLC), steps are laid out for the conversion of a database from an old system to a new system.

Question 8

Data integrity is enforced by the database management system (DBMS) through the proper use of primary and foreign key rules.

Question 9

The overall purpose of the database initial study is to create the conceptual design.

Question 10

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

Question 11

The analysis phase of the Systems Development Life Cycle (SDLC) involves a cycle of coding, testing, and debugging.

Question 12

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

Question 13

A system is always at some stage of SDLC because every request for structural changes requires retracing the steps of the Systems Development Life Cycle (SDLC).

Question 14

The database contents might be loaded interactively or in batch mode using a variety of methods and devices including customized user programs.

Question 15

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

Question 16

The Systems Development Life Cycle (SDLC) is a sequential process rather than an iterative process.

Question 17

The testing and evaluation phase of the Database Life Cycle (DBLC) occurs after applications programming.

Question 18

Evaluation of database performance is rendered easier by the fact there are no standards to measure it.

Question 19

The Systems Development Life Cycle's (SDLC's) planning phase yields a general overview of the company and its objectives.

Question 20

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

Question 21

The maintenance and evolution phase of the Database Life Cycle (DBLC) involves _____.

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

Question 22

The implementation and loading phase of the Database Life Cycle (DBLC) involves _____.

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

Question 23

Discovery of user requirements, existing system evaluation, and logical system design are part of the _____ phase of the Systems Development Life Cycle (SDLC).

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

Question 24

"Should the existing system be replaced?" is a question that is asked during the _____ stage of the Systems Development Life Cycle (SDLC).

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

Question 25

"What are the requirements of the current system's end users?" is a question asked during the _____ phase of the Systems Development Life Cycle (SDLC).

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

Question 26

Coding, testing, and debugging are part of the _____ phase of the Systems Development Life Cycle (SDLC).

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

Question 27

In DBLC, the phase after the database initial study is _____.

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

Question 28

Producing the required information flow is part of the _____ phase of the Database Life Cycle (DBLC).

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

Question 29

Training principles and methodologies are planned during the _____ phase of the Systems Development Life Cycle (SDLC).

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

Question 30

The logical systems design is created during the _____ phase of the Systems Development Life Cycle (SDLC).

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

Question 31

The traditional Systems Development Life Cycle (SDLC) is divided into _____ phases.

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

Question 32

Selecting database management system (DBMS) software is part of the _____ phase of the Database Life Cycle (DBLC).

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

Question 33

The _____ phase of the Systems Development Life Cycle (SDLC) includes all the necessary technical specifications for the screens, menus, reports, and other devices used to make the system more efficient.

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

Question 34

During the _____ phase of the Systems Development Life Cycle (SDLC), the hardware, database management system (DBMS) software, and application programs are installed, and the database design is implemented.

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

Question 35

The database contents are loaded during the _____ phase of the Systems Development Life Cycle (SDLC).

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

Question 36

The process of creating an information system is known as _____.

A) systems development
B) database development
C) network development
D) enterprise development

Question 37

In the context of the database design process, the conceptual design step that defines the fragmentation and allocation strategy is _____.

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

Question 38

_____ is a technique that creates logical representations of computing resources that are independent of the underlying physical computing resources.

A) Normalization
B) Virtualization
C) Specialization
D) Generalization

Question 39

The result of the _____phase of the Systems Development Life Cycle (SDLC) should be a better understanding of the system's functional areas, actual and potential problems, and opportunities.

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

Question 40

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

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

Question 41

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

Question 42

In a(n) _____, only the objects that have been updated or modified since the last full backup are backed up.

A) transaction log backup
B) conservative backup
C) differential backup
D) adaptive backup

Question 43

In the context of the database design process, 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 44

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 45

_____ are usually provided by the database management system (DBMS) to check for access violations.

Question 46

_____ can render data useless to unauthorized users who might have violated some of the database security layers.

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

Question 47

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

Question 48

Which of the following is a hardware-induced database failure?

A) Memory chip errors
B) Viruses
C) Malware
D) Abortion due to deadlock

Question 49

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

A) declaration process
B) verificationprocess
C) conceptual process
D) logical process

Question 50

An initial assessment of the information flow-and-extent requirements must be made during the _____ portion of the Systems Development Life Cycle (SDLC).

Question 51

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

Question 52

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

Question 53

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 54

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 55

_____ is the process of determining the data storage organization and data access characteristics of the database to ensure its integrity, security, and performance.

A) Conceptual design
B) Networkdesign
C) Logical design
D) Physical design

Question 56

The traditional Systems Development Life Cycle (SDLC) phases are _____, analysis, detailed systems design, implementation, and maintenance.

Question 57

The last step in the Database Life Cycle (DBLC) is _____.

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

Question 58

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

Question 59

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 60

_____ allow end users to access the database without being able to download the information from their workstations.

Question 61

The term _____ describes the strength of the relationships found among a module's entities.

Question 62

Because real-world database design is generally done by teams, the database design is probably divided into major components known as _____.

Question 63

The _____ stage uses data modeling to create an abstract database structure that represents real-world objects in the most realistic way possible.

Question 64

A(n) _____ is an information system component that handles a specific business function, such as inventory, orders, or payroll.

Question 65

The _____ goal is to design an enterprise-wide database based on a specific data model but independent of physical-level details.

Question 66

When selecting DBMS _____, items to consider include processors, RAM, and disk space.

Question 67

A(n) _____ rule is a brief and precise narrative of a policy, procedure, or principle within a specific organization's environment.

Question 68

A designer must have a thorough understanding of the company's data types, extent, and uses in order to develop an accurate _____.

Question 69

List and describe the different levels at which database backups can be performed.

Question 70

Explain the concept of logical design and list the steps involved.

Question 71

The first step in _____ is to discover the data element characteristics.

Question 72

_____ could become a very technical job that affects not only the accessibility of the data in the storage device(s) but also the performance of the system.

Question 73

List and briefly describe the three types of system maintenance activities.

Question 74

Explain the differences between a centralized and decentralized approach to database design.

Question 75

What are the factors affecting the purchasing decision for DBMS software?