The root (DE) serializer in turn will query the type mapping registry for the next normal (DE) serializer to be called.
接下来根(反)序列化器将在类型映射注册表中查询下一个要调用的常规(反)序列化器。
2
Another benefit of the move to DB2 9 is the hybrid storage engine and a query optimizer that "understands" XML (mapping to relational algebra for queries involving XML).