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title

SQL Between

🎯 한 줄 통찰 (One-line insight)

BETWEEN selects values within an inclusive range — numbers, text (alphabetical range), or dates — and can be negated with NOT BETWEEN or combined with IN. [S1]

🧠 핵심 개념 (Core concepts)

BETWEEN operator — selects values within a specified range; the range is inclusive of both boundary values. [S1]
Syntax — SELECT column_name(s) FROM table_name WHERE column_name BETWEEN value1 AND value2;. [S1]
NOT BETWEEN — selects values outside the specified range. [S1]
Value types — works with numbers, text (alphabetical ordering), and dates. [S1]

🧩 추출된 패턴 (Extracted patterns)

BETWEEN + IN combo — WHERE Price BETWEEN 10 AND 20 AND CategoryID IN (1,2,3); layers a range filter with a set-membership filter. [S1]
Date format discipline — date BETWEEN comparisons require the literal format to match the database's date format convention (e.g. 'YYYY-MM-DD'). [S1]

📖 세부 내용 (Details)

Numeric range: SELECT * FROM Products WHERE Price BETWEEN 10 AND 20;. [S1]
Negated numeric range: WHERE Price NOT BETWEEN 10 AND 20;. [S1]
Text (alphabetical) range: WHERE ProductName BETWEEN 'Geitost' AND 'Louisiana Hot Spiced Okra' ORDER BY ProductName;. [S1]
Date range: WHERE OrderDate BETWEEN '1996-07-01' AND '1996-07-31'; selects orders placed in July 1996. [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

소스에서 모순되는 정보는 발견되지 않음.

🛠️ 적용 사례 (Applied in summary)

현재 발견된 실제 적용 사례가 없습니다 — 가격 범위 필터, 날짜 범위 리포트 등 실무 쿼리에서 흔히 재사용되는 패턴이다. [S1]

💻 코드 패턴 (Code patterns)

Numeric range (SQL):

SELECT * FROM Products
WHERE Price BETWEEN 10 AND 20;

Date range (SQL):

SELECT * FROM Orders
WHERE OrderDate BETWEEN '1996-07-01' AND '1996-07-31';

✅ 검증 상태 및 신뢰도

상태: draft
검증 단계: conceptual
출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
신뢰 점수: 0.90
중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

상위/루트: SQL Tutorial
관련 개념: SQL Where, SQL In, SQL Not
참조 맥락: 숫자/텍스트/날짜 범위 필터링이 필요한 쿼리의 기본 문법.

📚 출처 (Sources)

[S1] W3Schools — SQL BETWEEN Operator — https://www.w3schools.com/sql/sql_between.asp

📝 변경 이력 (Change history)

2026-07-04: Initial draft synthesized from the W3Schools "SQL BETWEEN Operator" page (Astra wiki-curation, P-Reinforce v3.1 format).

3.2 KiB Raw Blame History