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Join Date: Oct 2007
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I do not want to store only XML documents. I also have other data types in my application
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Join Date: Oct 2007
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DB2 is not a XML-only database. DB2 provides integration of relational data and XML data within a single database. Tables created with XML data types may also contain columns with “traditional” SQL data types, including numeric data, character strings, date/time data, and others.
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Join Date: Oct 2007
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I have not worked with pureXML. How difficult it is to query the XML data from database?
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It is very easy to work with pureXML. If you're already familiar with SQL, you can immediately apply your skills to working with XML data stored natively in DB2. SQL/XML or Xquery statements are used to query the data. Both relational and XML data can be requested within a single request. Please check http://www.ibm.com/developerworks/db...-0603saracco2/ for more details.
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Join Date: Oct 2007
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Is it possible to add indexes to XML data type?
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pureXML has new indexing technology; Indexes can be created for specific elements or attributes of the XML documents to speedup the data retrieval. It helps those queries which require specific portions of XML documents. Full text search over XML documents is also supported, and specialized text indexes can be defined to improve performance of such searches
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Join Date: Sep 2007
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Re: XML Management pureXML stores XML data in database retaining the XML format. Is it possible to index the columns? This could give us better query performance. 
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Yes. pureXML has an indexing feature that can index over XML columns. With this indexing feature, retrieving XML node sets is much faster compared to retrieving nodes from XML documents stored in CLOB.
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Are the XML documents stored in the same area as the relational data?
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If you create a table which has an integer column and an XML column, the integer column (relational data) is stored in same table , but DB2 does not store the XML document in same table. Instead, the XML column contains an XML data descriptor that has the document ID and version ID for the XML document. The document is stored in the XML Data Area (XDA), which is separate from the base table.
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