2nd/10_Wiki/Dev/Topic_SQL/00_INDEX.md

id, title, category, status, verification_status, canonical_id, aliases, duplicate_of, source_trust_level, confidence_score, created_at, updated_at, review_reason, merge_history, tags, raw_sources, applied_in, github_commit

id	title	category	status	verification_status	canonical_id	aliases	duplicate_of	source_trust_level	confidence_score	created_at	updated_at	review_reason	merge_history	tags	raw_sources	applied_in	github_commit
sql-tutorial-index	SQL Tutorial	Database	draft	conceptual		SQL Tutorial SQL MOC Topic_SQL index SQL 목차		B	0.90	2026-07-04	2026-07-04			sql database w3schools moc index	https://www.w3schools.com/sql/

SQL Tutorial

🎯 한 줄 통찰 (One-line insight)

Map of Content (MOC) for the W3Schools SQL Tutorial — the root that links every SQL knowledge page in this topic folder. [S1]

🧠 핵심 개념 (Core concepts)

• This folder (Topic_SQL) wikifies the W3Schools SQL Tutorial (left-sidebar tutorial menu), one knowledge page per document, in P-Reinforce v3.1 format — following the same convention as Topic_HTML / Topic_CSS / Topic_JavaScript. [S1]
• Scope: tutorial + "Learning by examples" pages only. The large reference dumps (SQL Keywords Reference, MySQL/SQL Server/MS Access Functions — ~290 individual function-stub pages) and non-knowledge meta pages (Quiz, Exercises, Editor, Certificate, Bootcamp, Syllabus, Study Plan, Training, Server) are excluded by design. [S1]
• Progress: 67 of 67 planned docs complete — SQL category done.
• Every page roots its Knowledge Graph back to this [[SQL Tutorial]] node.

📖 세부 내용 (Details)

Basics

• SQL Intro ✅
• SQL Syntax ✅

Querying & Filtering

• SQL Select ✅
• SQL Select Distinct ✅
• SQL Where ✅
• SQL Order By ✅
• SQL And ✅
• SQL Or ✅
• SQL Not ✅
• SQL Like ✅
• SQL Wildcards ✅
• SQL In ✅
• SQL Between ✅
• SQL Aliases ✅

Joins & Set Operations

• SQL Joins ✅
• SQL Inner Join ✅
• SQL Left Join ✅
• SQL Right Join ✅
• SQL Full Join ✅
• SQL Self Join ✅
• SQL Union ✅
• SQL Union All ✅

Grouping & Aggregation

• SQL Group By ✅
• SQL Having ✅
• SQL Aggregate Functions ✅
• SQL Min ✅
• SQL Max ✅
• SQL Count ✅
• SQL Sum ✅
• SQL Avg ✅

Data Modification

• SQL Insert Into ✅
• SQL Null Values ✅
• SQL Update ✅
• SQL Delete ✅
• SQL Select Top ✅
• SQL Select Into ✅
• SQL Insert Into Select ✅

Conditional & Logic

• SQL Exists ✅
• SQL Any ✅
• SQL All ✅
• SQL Case ✅
• SQL Null Functions ✅

Procedures & Comments

• SQL Stored Procedures ✅
• SQL Comments ✅
• SQL Operators ✅

Database & Table Management

• SQL Create DB ✅
• SQL Drop DB ✅
• SQL Backup DB ✅
• SQL Create Table ✅
• SQL Drop Table ✅
• SQL Alter Table ✅
• SQL Constraints ✅
• SQL Not Null ✅
• SQL Unique ✅
• SQL Primary Key ✅
• SQL Foreign Key ✅
• SQL Check ✅
• SQL Default ✅
• SQL Create Index ✅
• SQL Auto Increment ✅
• SQL Dates ✅
• SQL Views ✅

Security

• SQL Injection ✅
• SQL Parameters ✅
• SQL Prepared Statements ✅

Deployment & Reference

• SQL Hosting ✅
• SQL Data Types ✅

🛠️ 적용 사례 (Applied in summary)

67 knowledge documents generated, all grounded in the corresponding W3Schools pages via a Playwright-based extraction pipeline (adapted from the Datacollector_MAC project's web_extract.mjs, with added noise-stripping for sidebar/footer).

✅ 검증 상태 및 신뢰도

• 상태: draft
• 검증 단계: conceptual
• 출처 신뢰도: B (W3Schools — widely used educational reference)
• 신뢰 점수: 0.90
• 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

• 상위/루트: 10_Wiki
• 관련 개념: SQL Intro, SQL Select, SQL Create Table, Topic_Programming
• 참조 맥락: HTML/CSS/JavaScript에 이어 W3Schools 지식화 시리즈의 다음 카테고리. 완료 후 Python/PHP/MySQL 등 나머지 카테고리가 동일한 규칙으로 이어진다.

📚 출처 (Sources)

• [S1] W3Schools — SQL Tutorial — https://www.w3schools.com/sql/

📝 변경 이력 (Change history)

• 2026-07-04: Created SQL Tutorial MOC and linked 5 pilot-batch pages (Astra wiki-curation, P-Reinforce v3.1 format).