考虑这样一个示例：DBA知道问题根源是查询的性能较差，但此查询是由框架生成的，使用了对象关系映射技术。
Consider an example where a DBA knows the problem is a poor-performing query, but that query was generated by a framework, using an object-relational mapping technology.
对象—关系映射技术允许您将关系数据库映射为对象。
The object relational mapping technology lets you map relational databases to objects.
用基于 SQL 的模式可以把数据呈现从对象模型映射到关系数据模型，对象关系映射引用了这项技术。
Object relational mapping refers to the technique of mapping the data representation from an object model to a relational data model with a SQL-based schema.
论文对数据对象与关系数据库之间映射理论和持久化对象管理技术进行了研究和实现。
In this paper, it researches and realizes the mapping theory between the object and relational database, and manages the persistent objects.
论文对数据对象与关系数据库之间映射理论和持久化对象管理技术进行了研究和实现。
In this paper, it researches and realizes the mapping theory between the object and relational database, and manages the persistent objects.
应用推荐