hierarchical database meaning in English

层次结构数据库
层次数据库
分层数据库
阶级式数据库

In a hierarchical database hdbms , you begin with a strictly defined tree of data nodes
在层次数据库( hdbms )中，首先是从严格定义的数据节点树开始的。
But in dtds oriented more to data records , an xml document could be as rigid as a hierarchical database
但dtd更多地是面向数据记录， xml文档和层次数据库可以一样严格。
This goal is accomplished almost automatically in hierarchical databases , but takes work in relational ones
这个目标在层次数据库中几乎是自动完成的，但在关系数据库中需要做些工作。
In hierarchical databases , data access is utterly predictable in structure ; therefore both retrieval and updates can be highly optimized by a dbms
在层次数据库中，数据访问在结构上是完全可预测的；因此dbms可以高度优化检索和更新。
The ibm information management system is ibms premier transaction and hierarchical database management system , the product of choice for critical online operational applications and data where support for high availability , performance , capacity , integrity , and low cost are key factors
Ims是ibm最早的事务和层次数据库管理系统，它非常适合支持高可用性、高性能、高容量、高完整性和低成本的关键性联机操作应用程序和数据。

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