This class makes it very easy, almost trivial, to convert SQL query results into XML, but a major disadvantage of OracleXMLQuery is that it is a proprietary solution.

SQL/XML is another standard that uses declarative, portable queries to return XML by querying relational data. It's an extension of SQL that is part of ANSI/ISO SQL 2003. SQL/XML enables SQL queries ...

Sending a SQL query against remote, heterogeneous databases is just one of several ways to integrate data. Others include the following: ...

Last month, Oracle unveiled Big Data SQL, a tool that can run a SQL query against Oracle’s data store, as well as Hadoop and NoSQL stores. The software is an option for the Big Data Appliance.