Part III Relational Data To and From XML Data

There are various ways that you can view existing relational data as XML data.

• Generation of XML Data from Relational Data
  Oracle XML DB provides features for generating (constructing) XML data from relational data in the database. There are both SQL/XML standard functions and Oracle-specific functions and packages for generating XML data from relational content.
• Relational Views over XML Data
  Relational database views over XML data provide conventional, relational access to XML content.
• XMLType Views
  You can create XMLType views over relational and object-relational data.