diff --git a/docs/.vitepress/config/sidebar.ts b/docs/.vitepress/config/sidebar.ts index 96f83aad..b6a85377 100644 --- a/docs/.vitepress/config/sidebar.ts +++ b/docs/.vitepress/config/sidebar.ts @@ -215,6 +215,10 @@ export const sidebar: DefaultTheme.Config['sidebar'] = { text: 'Lect 11: Computer Security', link: '/academic/cis105/cis105-l11-lecture-note', }, + { + text: 'Lect 12: Introduction to SQL' + link: '/academic/cis105/cis105l-12-lecture-note' + } ], }, ], diff --git a/docs/academic/cis105/cis105-l10-lecture-note.md b/docs/academic/cis105/cis105-l10-lecture-note.md index 9f3e75a5..165a34c5 100644 --- a/docs/academic/cis105/cis105-l10-lecture-note.md +++ b/docs/academic/cis105/cis105-l10-lecture-note.md @@ -4,18 +4,18 @@ ### 10.1: Business Website Alternative -- Web development platforms (WDP): Website creation programs that help non-web developers develop a website for a relatively low price. - - Web.com, Wix.com, Squarespace.com - - A great option for business owners - - Search Engine Optimization +- Web development platforms (WDP): Website creation programs that help non-web developers develop a website for a relatively low price. + - Web.com, Wix.com, Squarespace.com + - A great option for business owners + - Search Engine Optimization ### 10.2: Early Website Technology -- Who created Hypertext Markup Language (HTML)? -- HTML is platform-neutral -- What happens when you use the internet: - - You don't visit websites, websites visit you - - Copies of request kept in client's cache +- Who created Hypertext Markup Language (HTML)? +- HTML is platform-neutral +- What happens when you use the internet: + - You don't visit websites, websites visit you + - Copies of request kept in client's cache ```mermaid graph LR @@ -24,60 +24,59 @@ A[You click on hyperlink] --> B[Web server ses HTTP to send copy of request to c ### 10.3: Hypertext Markup Language -- The principal programming language for browsers -- Elements: HTML represented in the form of tags that are enclosed by brackets: `` -- ``: Used to help search engines - - Will include info like web page's author, descriptions, and keywords - - Called meta keywords or meta-words. -- Link element: `Youtube` -- Image element: `meadow` -- JavaScript: A client-side programming language used to build websites - - Requires a Java-enabled browser to work - - Ex: Countdown timer +- The principal programming language for browsers +- Elements: HTML represented in the form of tags that are enclosed by brackets: `` +- ``: Used to help search engines + - Will include info like web page's author, descriptions, and keywords + - Called meta keywords or meta-words. +- Link element: `Youtube` +- Image element: `meadow` +- JavaScript: A client-side programming language used to build websites + - Requires a Java-enabled browser to work + - Ex: Countdown timer ### 10.4: Websites Styles & Categories -- Website categories: Personal, Commercial, Governmental, and **intranet** - - Static Website (AKA Brochure websites): Content typically designed with HTML; never changes - - Dynamic Websites: Generate web pages directly from the server depending on the context of the user - - Ex: Social Media - - Much more difficult to program, but are much easier to maintain +- Website categories: Personal, Commercial, Governmental, and **intranet** + - Static Website (AKA Brochure websites): Content typically designed with HTML; never changes + - Dynamic Websites: Generate web pages directly from the server depending on the context of the user + - Ex: Social Media + - Much more difficult to program, but are much easier to maintain ### 10.5: Types of Websites -- Blog: An online diary, originally called a web-log -- Content Website: typically dispense original content and often supported by advertising -- Corporate Website: Distribute info about a business -- Commerce Website (AKA E-Commerce site): to sell goods and services online -- Search Engine Website: Offers general information and intended to be the entryway to other websites -- Gaming Website: Typically, games unto themselves; require plug-ins like Adobe Flash, JavaScript, and ActiveX -- News Websites: Specifically devoted to providing news and commentary -- School Websites: Typically used by teachers, students, parents, and administrators. -- Video-sharing websites: Allow users to upload videos for a wider audience - - Utilizes Users Datagram Protocol (UDP) +- Blog: An online diary, originally called a web-log +- Content Website: typically dispense original content and often supported by advertising +- Corporate Website: Distribute info about a business +- Commerce Website (AKA E-Commerce site): to sell goods and services online +- Search Engine Website: Offers general information and intended to be the entryway to other websites +- Gaming Website: Typically, games unto themselves; require plug-ins like Adobe Flash, JavaScript, and ActiveX +- News Websites: Specifically devoted to providing news and commentary +- School Websites: Typically used by teachers, students, parents, and administrators. +- Video-sharing websites: Allow users to upload videos for a wider audience + - Utilizes Users Datagram Protocol (UDP) ### 10.6: Website Online Software -- HTML is not a powerful programming language -- Fat Client: Provides rich functionality on the client side; independent of a central server - - Ex: Microsoft programs - - Pros: More functionality, very powerful - - Cons: Expensive. Requires additional software and set up, requires more processing power -- Thin Client: A client that depends on a server for computing processing - - Ex: Web browsers - - Pros: Platform neutral, cheaper to maintain, better distribution of info - - Cons: Not as powerful, less functionality, requires refreshing from the user +- HTML is not a powerful programming language +- Fat Client: Provides rich functionality on the client side; independent of a central server + - Ex: Microsoft programs + - Pros: More functionality, very powerful + - Cons: Expensive. Requires additional software and set up, requires more processing power +- Thin Client: A client that depends on a server for computing processing + - Ex: Web browsers + - Pros: Platform neutral, cheaper to maintain, better distribution of info + - Cons: Not as powerful, less functionality, requires refreshing from the user ### 10.7: Online Advertising -- Online Advertising: A form of sponsorship that uses the WWW for delivering business-marketing strategies -- Examples: - - Search Engine Results - - Native Advertising - - Social Network Advertising - - Banner advertisement -- Purchasing Online Advertising - - Cost Per Click (CPC) - - Cost Per Thousand Impressions (CPM) - - Cost Per Action (CPA) - +- Online Advertising: A form of sponsorship that uses the WWW for delivering business-marketing strategies +- Examples: + - Search Engine Results + - Native Advertising + - Social Network Advertising + - Banner advertisement +- Purchasing Online Advertising + - Cost Per Click (CPC) + - Cost Per Thousand Impressions (CPM) + - Cost Per Action (CPA) diff --git a/docs/academic/cis105/cis105-l11-lecture-note.md b/docs/academic/cis105/cis105-l11-lecture-note.md index 6a5ac479..f92cdcc0 100644 --- a/docs/academic/cis105/cis105-l11-lecture-note.md +++ b/docs/academic/cis105/cis105-l11-lecture-note.md @@ -4,92 +4,81 @@ > Midterm reminder: March 28th - 29th > -> - Exam Review after Chapter 11KC -> - 40 new questions, 10 KC questions -> - Same format as last time +> - Exam Review after Chapter 11KC +> - 40 new questions, 10 KC questions +> - Same format as last time ### 11.1: System Security & Computer Privacy -- An unsecured computer is extremely easy to breach by any seasoned hacker -- Computer Security: Concerned with risk management, confidentiality, integrity, and the availability of the electronic info processed and stored within a computing system -- Risk Management: Includes the recognition, consequences, and assessment of risk to a computer's assets, and developing strategies to manage and protect them +- An unsecured computer is extremely easy to breach by any seasoned hacker +- Computer Security: Concerned with risk management, confidentiality, integrity, and the availability of the electronic info processed and stored within a computing system +- Risk Management: Includes the recognition, consequences, and assessment of risk to a computer's assets, and developing strategies to manage and protect them ### 11.2: Business System Threats -- Intranet: A businesses' private version of the internet -- The key aspect of an intranet is privacy -- Firewall: Hardware and software working together to ensure that only authorized personnel can access the business' intranet +- Intranet: A businesses' private version of the internet +- The key aspect of an intranet is privacy +- Firewall: Hardware and software working together to ensure that only authorized personnel can access the business' intranet ### 11.3: Firewall -- Without a firewall, an intranet is just another part of the internet -- Proxy Server: A special security computer that allows communication to flow in and out of an intranet to check for external threats -- Two standard security practices for firewalls: - - Default-Deny - - Default-Allow +- Without a firewall, an intranet is just another part of the internet +- Proxy Server: A special security computer that allows communication to flow in and out of an intranet to check for external threats +- Two standard security practices for firewalls: + - Default-Deny + - Default-Allow ### 11.4: Malware Threats -- The term "virus" comes from biology -- Malware Motivations: - - Experimental Malware - - Worms - - Trojan Horses - - Spyware/Keylogging - - Adware - - Spamming - - Denial-of-Service Attach (DoS) - - The deadliest - - Reverse Phishing - "Spear Phishing" +- The term "virus" comes from biology +- Malware Motivations: + - Experimental Malware + - Worms + - Trojan Horses + - Spyware/Keylogging + - Adware + - Spamming + - Denial-of-Service Attach (DoS) + - The deadliest + - Reverse Phishing - "Spear Phishing" ### 11.5: Malware Solutions -- Antivirus Software - - Norton AntiVirus - - McAfee's VirusScan -- System patches -- Data Backup -- Employee training +- Antivirus Software + - Norton AntiVirus + - McAfee's VirusScan +- System patches +- Data Backup +- Employee training ### 11.6: Internet Fraud -- Internet fraud: Any fraudulent activity in an online setting -- Google AdSense, Google's advertising network; the middleman between the advertiser and the website owner -- Click Fraud: a program that automatically clicks on Ads -- Purchase Scam: scammer asks seller to pay for shipping via credit card, cancels credit card after order has shipped -- Most uncomplicated type of internet fraud -- Phishing: Uses social engineering techniques to gain private information +- Internet fraud: Any fraudulent activity in an online setting +- Google AdSense, Google's advertising network; the middleman between the advertiser and the website owner +- Click Fraud: a program that automatically clicks on Ads +- Purchase Scam: scammer asks seller to pay for shipping via credit card, cancels credit card after order has shipped +- Most uncomplicated type of internet fraud +- Phishing: Uses social engineering techniques to gain private information ### 11.7: Computer Privacy -- Privacy: The ability of an individual to keep their personal information out of public view -- Anonymous: One's personal identity Is not be known -- Tracking Cookie: A small text file that tracks your interaction on a website -- History files: A list of stored or cached websites on a user's computer +- Privacy: The ability of an individual to keep their personal information out of public view +- Anonymous: One's personal identity Is not be known +- Tracking Cookie: A small text file that tracks your interaction on a website +- History files: A list of stored or cached websites on a user's computer > 50% of the time an unsecured computer can be hacked, and a password can be guessed ### 11.8: Identity Theft -- Identity theft: A crime concerning the unlawful practice of assuming another individual's identity -- Ways to acquire personal information: - - Shoulder Surfing - - Dumpster Diving -- SCAM - - Stingy - - Check - - Ask - - Maintain -- ASU's Recommended Password Manager: Stache - - Bitwarden, 1Password, Dashlane, Keeper, KeePass - - - - - - - - - - - +- Identity theft: A crime concerning the unlawful practice of assuming another individual's identity +- Ways to acquire personal information: + - Shoulder Surfing + - Dumpster Diving +- SCAM + - Stingy + - Check + - Ask + - Maintain +- ASU's Recommended Password Manager: Stache + - Bitwarden, 1Password, Dashlane, Keeper, KeePass diff --git a/docs/academic/cis105/cis105-l12-lecture-note.md b/docs/academic/cis105/cis105-l12-lecture-note.md new file mode 100644 index 00000000..36ac4268 --- /dev/null +++ b/docs/academic/cis105/cis105-l12-lecture-note.md @@ -0,0 +1,29 @@ +# CIS105: Computer Applications & Information Systems Lect. 12 + +## Chapter 12: Introduction to SQL + +### 12.1: SQL Getting Started + +- Capture the data + - Point of Sale, Scanning, etc +- Get the data into a database + - Import from other systems + - Direct input from forms +- Extract the data + - SQL +- Use the data + - Analysis systems + - Reporting systems +- SQL: The language of relational databases + - Structured query Language + +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. + +### 12.2: SQL Statement + +- `SELECT`: What **fields** (column) you want + - `fieldname`: If the name is used in only one table +- `FROM`: What table or tables contain the fields +- `ORDER BY`: Sorting +- `DISTINCT`: Use after `SELECT` when you only want to show each vale of the selected field(s) once +- `LIMIT`: Use when you want to limit the number of records produced \ No newline at end of file