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These techniques include the ability to store XML documents in an XMLType column or table, or in Oracle XML DB Repository. The introduction of Oracle XML DB and the XMLType datatype provides new techniques that facilitate the persistence of XML content in the database. In both cases, Oracle Database is unaware that it is managing XML content. Store the XML document in Oracle Database using a Character Large Object ( CLOB), Binary Large Object ( BLOB), Binary File ( BFILE), or VARCHAR column. Use Oracle XML Developer's Kit (XDK) to parse the XML document outside Oracle Database, and store the extracted XML data as rows in one or more tables in the database. Viewing Relational Data as XML From a Browserīefore the introduction of Oracle XML DB, there were two ways to store XML content in Oracle Database: Understanding and Optimizing XPath RewriteĪccessing Relational Database Content Using XML Processing XMLType Methods and XML-Specific SQL Functions Updating XML Content Stored in Oracle XML DB Relational Access to XML Content Stored in Oracle XML DB Using Views Querying XML Content Stored in Oracle XML DB

Using the Database to Enforce XML Data IntegrityĭML Operations on XML Content Using Oracle XML DB Identifying XML Schema Instance Documents Overview of the W3C XML Schema Recommendation This chapter also further explains Oracle XML DB concepts introduced in Chapter 1, "Introduction to Oracle XML DB". However, the majority of techniques introduced here can also be used to manage other types of XML documents, such as containing unstructured or semistructured data. The format and data of XML purchase orders are well suited for Oracle XML DB storage and processing techniques because purchase orders are highly structured XML documents. The examples here illustrate techniques for accessing and managing XML content in purchase orders. This chapter provides an overview of how to use Oracle XML DB.