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doc(cis105): add lecture note docuemtnation source for chapter 12 on sql operation with affiliated sidebar hyperlink component & lint markdown sources for 2 previous chapters
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@ -215,6 +215,10 @@ export const sidebar: DefaultTheme.Config['sidebar'] = {
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text: 'Lect 11: Computer Security',
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link: '/academic/cis105/cis105-l11-lecture-note',
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},
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{
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text: 'Lect 12: Introduction to SQL'
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link: '/academic/cis105/cis105l-12-lecture-note'
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}
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],
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},
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],
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@ -4,18 +4,18 @@
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### 10.1: Business Website Alternative
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- Web development platforms (WDP): Website creation programs that help non-web developers develop a website for a relatively low price.
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- Web.com, Wix.com, Squarespace.com
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- A great option for business owners
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- Search Engine Optimization
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- Web development platforms (WDP): Website creation programs that help non-web developers develop a website for a relatively low price.
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- Web.com, Wix.com, Squarespace.com
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- A great option for business owners
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- Search Engine Optimization
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### 10.2: Early Website Technology
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- Who created Hypertext Markup Language (HTML)?
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- HTML is platform-neutral
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- What happens when you use the internet:
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- You don't visit websites, websites visit you
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- Copies of request kept in client's cache
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- Who created Hypertext Markup Language (HTML)?
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- HTML is platform-neutral
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- What happens when you use the internet:
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- You don't visit websites, websites visit you
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- Copies of request kept in client's cache
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```mermaid
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graph LR
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@ -24,60 +24,59 @@ A[You click on hyperlink] --> B[Web server ses HTTP to send copy of request to c
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### 10.3: Hypertext Markup Language
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- The principal programming language for browsers
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- Elements: HTML represented in the form of tags that are enclosed by brackets: `</>`
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- `<meta></meta>`: Used to help search engines
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- Will include info like web page's author, descriptions, and keywords
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- Called meta keywords or meta-words.
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- Link element: `<a href="www.youtube.com">Youtube</a>`
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- Image element: `<img src="meadow.gif" alt="meadow"></img>`
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- JavaScript: A client-side programming language used to build websites
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- Requires a Java-enabled browser to work
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- Ex: Countdown timer
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- The principal programming language for browsers
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- Elements: HTML represented in the form of tags that are enclosed by brackets: `</>`
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- `<meta></meta>`: Used to help search engines
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- Will include info like web page's author, descriptions, and keywords
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- Called meta keywords or meta-words.
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- Link element: `<a href="www.youtube.com">Youtube</a>`
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- Image element: `<img src="meadow.gif" alt="meadow"></img>`
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- JavaScript: A client-side programming language used to build websites
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- Requires a Java-enabled browser to work
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- Ex: Countdown timer
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### 10.4: Websites Styles & Categories
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- Website categories: Personal, Commercial, Governmental, and **intranet**
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- Static Website (AKA Brochure websites): Content typically designed with HTML; never changes
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- Dynamic Websites: Generate web pages directly from the server depending on the context of the user
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- Ex: Social Media
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- Much more difficult to program, but are much easier to maintain
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- Website categories: Personal, Commercial, Governmental, and **intranet**
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- Static Website (AKA Brochure websites): Content typically designed with HTML; never changes
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- Dynamic Websites: Generate web pages directly from the server depending on the context of the user
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- Ex: Social Media
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- Much more difficult to program, but are much easier to maintain
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### 10.5: Types of Websites
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- Blog: An online diary, originally called a web-log
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- Content Website: typically dispense original content and often supported by advertising
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- Corporate Website: Distribute info about a business
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- Commerce Website (AKA E-Commerce site): to sell goods and services online
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- Search Engine Website: Offers general information and intended to be the entryway to other websites
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- Gaming Website: Typically, games unto themselves; require plug-ins like Adobe Flash, JavaScript, and ActiveX
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- News Websites: Specifically devoted to providing news and commentary
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- School Websites: Typically used by teachers, students, parents, and administrators.
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- Video-sharing websites: Allow users to upload videos for a wider audience
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- Utilizes Users Datagram Protocol (UDP)
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- Blog: An online diary, originally called a web-log
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- Content Website: typically dispense original content and often supported by advertising
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- Corporate Website: Distribute info about a business
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- Commerce Website (AKA E-Commerce site): to sell goods and services online
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- Search Engine Website: Offers general information and intended to be the entryway to other websites
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- Gaming Website: Typically, games unto themselves; require plug-ins like Adobe Flash, JavaScript, and ActiveX
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- News Websites: Specifically devoted to providing news and commentary
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- School Websites: Typically used by teachers, students, parents, and administrators.
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- Video-sharing websites: Allow users to upload videos for a wider audience
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- Utilizes Users Datagram Protocol (UDP)
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### 10.6: Website Online Software
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- HTML is not a powerful programming language
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- Fat Client: Provides rich functionality on the client side; independent of a central server
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- Ex: Microsoft programs
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- Pros: More functionality, very powerful
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- Cons: Expensive. Requires additional software and set up, requires more processing power
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- Thin Client: A client that depends on a server for computing processing
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- Ex: Web browsers
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- Pros: Platform neutral, cheaper to maintain, better distribution of info
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- Cons: Not as powerful, less functionality, requires refreshing from the user
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- HTML is not a powerful programming language
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- Fat Client: Provides rich functionality on the client side; independent of a central server
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- Ex: Microsoft programs
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- Pros: More functionality, very powerful
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- Cons: Expensive. Requires additional software and set up, requires more processing power
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- Thin Client: A client that depends on a server for computing processing
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- Ex: Web browsers
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- Pros: Platform neutral, cheaper to maintain, better distribution of info
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- Cons: Not as powerful, less functionality, requires refreshing from the user
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### 10.7: Online Advertising
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- Online Advertising: A form of sponsorship that uses the WWW for delivering business-marketing strategies
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- Examples:
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- Search Engine Results
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- Native Advertising
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- Social Network Advertising
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- Banner advertisement
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- Purchasing Online Advertising
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- Cost Per Click (CPC)
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- Cost Per Thousand Impressions (CPM)
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- Cost Per Action (CPA)
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- Online Advertising: A form of sponsorship that uses the WWW for delivering business-marketing strategies
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- Examples:
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- Search Engine Results
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- Native Advertising
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- Social Network Advertising
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- Banner advertisement
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- Purchasing Online Advertising
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- Cost Per Click (CPC)
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- Cost Per Thousand Impressions (CPM)
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- Cost Per Action (CPA)
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@ -4,92 +4,81 @@
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> Midterm reminder: March 28th - 29th
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>
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> - Exam Review after Chapter 11KC
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> - 40 new questions, 10 KC questions
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> - Same format as last time
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> - Exam Review after Chapter 11KC
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> - 40 new questions, 10 KC questions
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> - Same format as last time
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### 11.1: System Security & Computer Privacy
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- An unsecured computer is extremely easy to breach by any seasoned hacker
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- Computer Security: Concerned with risk management, confidentiality, integrity, and the availability of the electronic info processed and stored within a computing system
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- Risk Management: Includes the recognition, consequences, and assessment of risk to a computer's assets, and developing strategies to manage and protect them
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- An unsecured computer is extremely easy to breach by any seasoned hacker
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- Computer Security: Concerned with risk management, confidentiality, integrity, and the availability of the electronic info processed and stored within a computing system
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- Risk Management: Includes the recognition, consequences, and assessment of risk to a computer's assets, and developing strategies to manage and protect them
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### 11.2: Business System Threats
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- Intranet: A businesses' private version of the internet
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- The key aspect of an intranet is privacy
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- Firewall: Hardware and software working together to ensure that only authorized personnel can access the business' intranet
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- Intranet: A businesses' private version of the internet
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- The key aspect of an intranet is privacy
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- Firewall: Hardware and software working together to ensure that only authorized personnel can access the business' intranet
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### 11.3: Firewall
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- Without a firewall, an intranet is just another part of the internet
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- Proxy Server: A special security computer that allows communication to flow in and out of an intranet to check for external threats
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- Two standard security practices for firewalls:
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- Default-Deny
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- Default-Allow
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- Without a firewall, an intranet is just another part of the internet
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- Proxy Server: A special security computer that allows communication to flow in and out of an intranet to check for external threats
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- Two standard security practices for firewalls:
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- Default-Deny
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- Default-Allow
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### 11.4: Malware Threats
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- The term "virus" comes from biology
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- Malware Motivations:
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- Experimental Malware
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- Worms
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- Trojan Horses
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- Spyware/Keylogging
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- Adware
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- Spamming
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- Denial-of-Service Attach (DoS)
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- The deadliest
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- Reverse Phishing - "Spear Phishing"
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- The term "virus" comes from biology
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- Malware Motivations:
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- Experimental Malware
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- Worms
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- Trojan Horses
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- Spyware/Keylogging
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- Adware
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- Spamming
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- Denial-of-Service Attach (DoS)
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- The deadliest
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- Reverse Phishing - "Spear Phishing"
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### 11.5: Malware Solutions
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- Antivirus Software
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- Norton AntiVirus
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- McAfee's VirusScan
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- System patches
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- Data Backup
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- Employee training
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- Antivirus Software
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- Norton AntiVirus
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- McAfee's VirusScan
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- System patches
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- Data Backup
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- Employee training
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### 11.6: Internet Fraud
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- Internet fraud: Any fraudulent activity in an online setting
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- Google AdSense, Google's advertising network; the middleman between the advertiser and the website owner
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- Click Fraud: a program that automatically clicks on Ads
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- Purchase Scam: scammer asks seller to pay for shipping via credit card, cancels credit card after order has shipped
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- Most uncomplicated type of internet fraud
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- Phishing: Uses social engineering techniques to gain private information
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- Internet fraud: Any fraudulent activity in an online setting
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- Google AdSense, Google's advertising network; the middleman between the advertiser and the website owner
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- Click Fraud: a program that automatically clicks on Ads
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- Purchase Scam: scammer asks seller to pay for shipping via credit card, cancels credit card after order has shipped
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- Most uncomplicated type of internet fraud
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- Phishing: Uses social engineering techniques to gain private information
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### 11.7: Computer Privacy
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- Privacy: The ability of an individual to keep their personal information out of public view
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- Anonymous: One's personal identity Is not be known
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- Tracking Cookie: A small text file that tracks your interaction on a website
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- History files: A list of stored or cached websites on a user's computer
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- Privacy: The ability of an individual to keep their personal information out of public view
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- Anonymous: One's personal identity Is not be known
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- Tracking Cookie: A small text file that tracks your interaction on a website
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- History files: A list of stored or cached websites on a user's computer
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> 50% of the time an unsecured computer can be hacked, and a password can be guessed
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### 11.8: Identity Theft
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- Identity theft: A crime concerning the unlawful practice of assuming another individual's identity
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- Ways to acquire personal information:
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- Shoulder Surfing
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- Dumpster Diving
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- SCAM
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- Stingy
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- Check
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- Ask
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- Maintain
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- ASU's Recommended Password Manager: Stache
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- Bitwarden, 1Password, Dashlane, Keeper, KeePass
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- Identity theft: A crime concerning the unlawful practice of assuming another individual's identity
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- Ways to acquire personal information:
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- Shoulder Surfing
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- Dumpster Diving
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- SCAM
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- Stingy
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- Check
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- Ask
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- Maintain
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- ASU's Recommended Password Manager: Stache
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- Bitwarden, 1Password, Dashlane, Keeper, KeePass
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29
docs/academic/cis105/cis105-l12-lecture-note.md
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29
docs/academic/cis105/cis105-l12-lecture-note.md
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@ -0,0 +1,29 @@
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# CIS105: Computer Applications & Information Systems Lect. 12
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## Chapter 12: Introduction to SQL
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### 12.1: SQL Getting Started
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- Capture the data
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- Point of Sale, Scanning, etc
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- Get the data into a database
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- Import from other systems
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- Direct input from forms
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- Extract the data
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- SQL
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- Use the data
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- Analysis systems
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- Reporting systems
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- SQL: The language of relational databases
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- Structured query Language
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If you plan to analyze data for a business, there is a good chance it's stored in a data warehouse, and you will need to learn how to retrieve it yourself.
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### 12.2: SQL Statement
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- `SELECT`: What **fields** (column) you want
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- `fieldname`: If the name is used in only one table
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- `FROM`: What table or tables contain the fields
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- `ORDER BY`: Sorting
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- `DISTINCT`: Use after `SELECT` when you only want to show each vale of the selected field(s) once
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- `LIMIT`: Use when you want to limit the number of records produced
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