# 数据访问

这部分参考文档涉及数据访问以及数据访问层与业务或服务层之间的交互。

Spring详细介绍了Spring的全面事务管理支持，然后详细介绍了Spring Framework集成的各种数据访问框架和技术。


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.flydean.com/spring-framework-documentation5/dataaccess.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.