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

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'
+                }
             ],
         },
     ],

docs/academic/cis105/cis105-l10-lecture-note.md

@@ -46,11 +46,11 @@ A[You click on hyperlink] --> B[Web server ses HTTP to send copy of request to c
 ### 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
+-   Content Website: typically dispense original content and often supported by advertising
-- Corporate Website: Distribute info about a business
+-   Corporate Website: Distribute info about a business
-- Commerce Website (AKA E-Commerce site): to sell goods and services online
+-   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
+-   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
+-   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
@@ -80,4 +80,3 @@ A[You click on hyperlink] --> B[Web server ses HTTP to send copy of request to c
     -   Cost Per Click (CPC)
     -   Cost Per Thousand Impressions (CPM)
     -   Cost Per Action (CPA)
-

docs/academic/cis105/cis105-l11-lecture-note.md

@@ -54,11 +54,11 @@
 ### 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
+-   Google AdSense, Google's advertising network; the middleman between the advertiser and the website owner
-- Click Fraud: a program that automatically clicks on Ads
+-   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
+-   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
+-   Most uncomplicated type of internet fraud
-- Phishing: Uses social engineering techniques to gain private information
+-   Phishing: Uses social engineering techniques to gain private information
 
 ### 11.7: Computer Privacy
 
@@ -82,14 +82,3 @@
     -   Maintain
 -   ASU's Recommended Password Manager: Stache
     -   Bitwarden, 1Password, Dashlane, Keeper, KeePass
-
-
-
-
-
-
-
-
-
-
-

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