In most cases, parsing XML documents to relational data can be done in a streaming fashion without requiring much memory and regardless of how big the document is.
在大多数情况下，XML文档到关系型数据的解析可通过串流方式完成，而无需太多内存且不管文档有多大。
2
It is parsed and stored in local internal memory, external memory, and the relational database, and rendered on the screen.
解析并存储在本地内部内存、外部内存和关系数据库中，再呈现在屏幕上。
3
SAP's software dispenses with the separate "relational databases" where the data behind such transactions are typically stored, and instead retains the data within the server's memory.