XML database support is a key element of the On Demand Operating Environment, providing storage and retrieval of XML data in IMS databases.
XML 数据库支持是随需应变运行环境中的一个重要方面，它支持在 IMS 数据库中存储和检索 XML 数据。
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The former allows easy searches, semantic context and information retrieval, whereas the latter enables efficient editing in an advanced hypertext environment.
前者有助于搜索、语义上下文和信息检索，而后者让用户能够在高级超文本环境中进行高效的编辑。
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An OLTP environment is a database environment that facilitates and supports transaction-oriented workloads, which typically consist of numerous data entry and retrieval operations.