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

# [[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).