Exam2 Review. 5-2 Q1: What Is the Purpose of a Database? Organize and keep track of things Keep track of multiple themes General rule: Single theme

Exam2 Review

5-2

Q1: What Is the Purpose of a Database?

• Organize and keep track of things• Keep track of multiple themes• General rule:

Single theme store in a spreadsheet Multiple themes require a database

Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

5-3

Q2: What Is a Database?


5-4

Components of a Database


5-5

What Are Relationships Among Rows?


5-6

Q3: What Are the Components of a Database Application System?


5-7

Sample Metadata (in Access)


5-8

Structured Query Language (SQL)

• SQL (see-quell)

– International standard – Used by most popular DBMS

• SQL statement:– INSERT INTO Student

([Student Number], [Student Name], HW1, HW2, MidTerm)

– VALUES (1000, ’Franklin, Benjamin’, 90, 95, 100);


5-9

Why Are Database Application Programs Needed?• Process logic specific for a business need

• Enable processing via Internet


5-10

Q1: What Is a Computer Network?


5-11

Q2: What Are the Components of a LAN?


SOHO LAN

5-12

LAN Protocol

•IEEE 802.3

– Wired LAN

– 10/100/1000 Mbps

– Ethernet


• IEEE 802.11– Wireless LAN– 802.11n– Up to 600 Mbps– Bluetooth

http://en.wikipedia.org/wiki/Ethernet

5-13

Summary of LAN and WAN Networks


5-14

Application Layer Protocols

• Hypertext Transport Protocol (HTTP)

• HTTPS – Secure HTTP data transmission

• Simple Mail Transfer Protocol (SMTP )

• File Transfer Protocol (FTP)


5-15

IP Addressing

Public IP Addresses • Identify a particular device on public Internet • Public IP addresses must be unique, worldwide• Assignment controlled by ICANN (Internet

Corporation for Assigned Names and Numbers)

Private IP Addresses

• Identify a particular device on a private network


5-16

Public IP Addresses and Domain Names

• IPv4

– Four decimal dotted notation like 165.193.123.253

• Domain name– Worldwide-unique name affiliated with a public IP

address– Affiliation of domain names with IP addresses is

dynamic

•URL (Uniform Resource Locator)


5-17

How Do Processes Vary by Organizational Scope?


5-18

Common Workgroup Processes


5-19

How Do Structured Processes Vary by Scope?


5-20

Q3: How Do Enterprise Systems Eliminate the Problem of Information Silos?

How Do Information System Silos Arise?

• Data isolated in islands of automation

• Different department goals

• Different personal and workgroup needs

• Duplicate data as organization grows


5-21

Q4: How Do CRM, ERP, and EAI Support Enterprise Processes?

Business Process Reengineering

• Integrated data, enterprise systems create stronger, faster, more effective linkages in value chains

• Difficult, slow, and exceedingly expensive

• Key personnel determine how best to use new technology

• Requires high-level and expensive skills and considerable time


8-22

SMIS: Convergence of Disciplines

Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hal

8-23Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hal

SMIS Organizational Roles

8-24Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hal

Community/ Social Media Site Relationship

8-25

Social Media Application Providers

• Facebook, Twitter, LinkedIn, and Google create the features and functions of the site

• Free to users

• Sponsors may or may not pay a fee

• Most earn revenue through some type of advertising model


8-26

Components of SMIS


8-27

Q2: How Do SMIS Advance Organizational Strategy?

• Defenders of Belief – Share a common belief– Seek conformity– Want to convince others– Facilitate activities like sales and marketing– Form strong bonds and allegiance to an

organization


8-28

Q2: How Does SMIS Advance Organizational Strategy? (cont’d)

• Seekers of the Truth– Share common desire to learn

something, solve a problem, make something happen

– Seldom form a strong bond


8-29

SM in Value Chain Activities


8-30

Social Media and the Sales andMarketing Activity

• Relationships between organizations and customers emerge in a dynamic process

• Each customer crafts relationship

• Blogs, discussion lists, FAQ, user reviews and commentary, other dynamic content

• Customers likely to generate most business get most attention


8-31

Social Media and Customer Service

• Product users help each other solve problems

• Selling to or through developer networks most successful

• Risk loss of control


8-32

Q3: How Do SMIS Increase Social Capital

1. Information

2. Influence

3. Social credentials

4. Personal reinforcement– Value of social capital

Number of relationships, strength of relationships, and resources controlled


Documents

Exam2 Review. 5-2 Q1: What Is the Purpose of a Database? Organize and keep track of things Keep track of multiple themes General rule: Single theme