您要查找的是不是:
- temporal XML index data model 时态XML索引数据模型
- On GIS Spatial Objects and Index Data Model GIS空间实体与索引数据模型中关键技术研究
- And this data model is described in XML DTD. 本文用统一建模语言描述了整个数据模型,给出了数据模型中几种重要类的文档类型定义。
- XML index maintenance cost during data modification must be considered. 必须考虑数据修改过程中的XML索引维护开销。
- The data model is an instance (a template) of an XML document. 数据模型是XML文档的一个实例(一个模板)。
- So just what is the relationship between XML and the relational data model? 那么XML与关系数据模型之间的关系究竟是怎样的?
- Your application performs data retrieval on the XML column and does not require an XML index on the XML column. 您的应用程序对XML列执行数据检索,并且不需要XML列的XML索引。
- The first index on an XML column is the primary XML index. XML列的第一个索引是主XML索引。
- The Feature-based Spatio-Temporal Data Model is a set of interrelated temporal feature. 在基于特征的时空数据模型是一组相互关联的时空特征。
- Type column in a table can have its own primary XML index. 类型列可以有自己的主XML索引。
- A primary XML index can be created on a single xml type column. 您可以对单个xml类型列创建主XML索引。
- The spatio-temporal data model (STDM) is both the key problem and the most difficult issue in the temporal geographical information system (TGIS). 时空数据模型(STDM)是时态地理信息系统(TGIS)的核心问题和主要难点。
- Class is based on the XPath data model. 类基于XPath数据模型。
- An XML index is a shredded and persisted representation of the XML binary large objects (BLOBs) in the xml data type column. XML索引是xml数据类型列中的XML二进制大型对象(BLOB)的拆分和持久化的表示形式。
- A data model is a plan for building a database. 一个资料模型就是对建立一个资料库的规划。
- You want to build an XML index on the xml data type column and the primary key of the main table is the same as its clustering key. 您想要对xml数据类型列生成XML索引,并且主表的主键与它的聚集键相同。
- Its data model is the basis of DW of an ISC. 三是集成供应链节点企业数据库,并形成为集成供应链信息平台数据仓库提供基础数据的企业数据模型。
- XML indexes are not supported in this view. 此视图不支持XML索引。
- Then the spatial-temporal data model is defined as a series of temporal slices of spatial ADT, which includes both data objects and functions. 该抽象数据类型的定义包括其数据对象和相关操作,将其嵌入对象关系数据库中,扩展其时空数据的存储和查询能力。
- A PRIMARY KEY constraint cannot be dropped if an XML index exists on the table. 如果表中存在XML索引,则不能删除PRIMARY KEY约束。