In largedatabasesystem, can consider to build file group to manage data file.
在大型数据库系统中，可以考虑建立文件组来管理数据文件。
2
Using character or binary large object (CLOB or BLOB) columns of tables to store the XML data intact in a relational database management system (DBMS).
使用表的字符大对象（CLOB）或二进制大对象（BLOB）列在关系数据库管理系统（DBMS）中按原样存储 XML 数据。
3
One of the most noticeable differences of an in-memory databasesystem is the absence of large data block structures.