exam2 review. 5-2 q1: what is the purpose of a database? organize and keep track of things keep...

Exam2 Review

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

Q2: What Is a Database?

Components of a Database

What Are Relationships Among Rows?

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

Sample Metadata (in Access)

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);

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

• Enable processing via Internet

Q1: What Is a Computer Network?

Q2: What Are the Components of a LAN?

SOHO LAN

LAN Protocol

•IEEE 802.3

– Wired LAN

– 10/100/1000 Mbps

– Ethernet

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

Summary of LAN and WAN Networks

Application Layer Protocols

• Hypertext Transport Protocol (HTTP)

• HTTPS – Secure HTTP data transmission

• Simple Mail Transfer Protocol (SMTP )

• File Transfer Protocol (FTP)

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

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)

How Do Processes Vary by Organizational Scope?

Common Workgroup Processes

How Do Structured Processes Vary by Scope?

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

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

SMIS: Convergence of Disciplines

SMIS Organizational Roles

Community/ Social Media Site Relationship

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

Components of SMIS

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

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

SM in Value Chain Activities

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

Social Media and Customer Service

• Product users help each other solve problems

• Selling to or through developer networks most successful

• Risk loss of control

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

exam2 review. 5-2 q1: what is the purpose of a database? organize and keep track of things keep...

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