关系数据库的结构关系模型是任何关系数据库管理系统(RDBMS)的基础。
Structure of the relational database the relational model is the basis for any relational database management system (RDBMS).
多维数据集模型代表OLAP数据市场中的数据结构和关系。
A cube model is built to represent a data structure and relationship in an OLAP data mart.
游标模型天生就具备专用于维度结构的概念，而在关系场景中意义不大。
Naturally, the cursor model API has concepts that relate exclusively to dimensional structures and do not make much sense in relational scenarios.
应用推荐