# Middle Tier Data Access

This part of the reference documentation is concerned with the middle tier, and specifically the data access responsibilities of said tier.

Spring's comprehensive transaction management support is covered in some detail, followed by thorough coverage of the various middle tier data access frameworks and technologies that the Spring Framework integrates with.

- Chapter 9, 트랜잭션 관리
- Chapter 10, DAO support
- Chapter 11, JDBC를 사용한 데이터 접근
- Chapter 12, 객체 관계 맵핑(ORM) 데이터 접근

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