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XML Extender Administration and Programming


Administrative support tables

When a database is enabled, a DTD reference table, DTD_REF, and an XML_USAGE table are created. The DTD_REF table contains information about all of the DTDs. The XML_USAGE table stores common information for each XML-enabled column.

The size parameter, UDB_SIZE

The XML Extender uses the parameter UDB_SIZE to specify the size of certain character parameters. The value of UDB_SIZE is determined by the version of DB2 UDB that is running. The following list shows the field size values for the different DB2 UDB versions.
DB2 UDB version Size
6.1 32
7.1 64


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