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type-mapping-encyclopedia

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RDBMS 간 데이터 타입 매핑 테이블, RDBMS↔NoSQL 변환 패턴, 문자셋/콜레이션 변환, 특수 타입 처리 가이드. '타입 매핑', '데이터 타입 변환', 'MySQL PostgreSQL 변환', 'Oracle 마이그레이션', '문자셋 변환', '콜레이션', 'AUTO_INCREMENT 시퀀스', 'JSON 타입' 등 스키마 타입 변환 시 이 스킬을 사용한다. schema-mapper의 타입 변환 역량을 강화한다. 단, ETL 스크립트 작성이나 검증 쿼리는 이 스킬의 범위가 아니다.

ko/34-data-migration/.claude/skills/type-mapping-encyclopedia/skill.md

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# Type Mapping Encyclopedia — 데이터 타입 매핑 백과사전

RDBMS 간 데이터 타입 매핑, 특수 타입 변환, 문자셋 처리를 위한 종합 레퍼런스.

## MySQL → PostgreSQL 매핑

| MySQL | PostgreSQL | 주의사항 |
|-------|-----------|---------|
| TINYINT | SMALLINT | TINYINT UNSIGNED → SMALLINT |
| INT | INTEGER | |
| INT UNSIGNED | BIGINT | PostgreSQL에 UNSIGNED 없음 |
| BIGINT | BIGINT | |
| FLOAT | REAL | |
| DOUBLE | DOUBLE PRECISION | |