Data saved in XML format can be imported to most modern database management systems and saved for example in SQLite format. You can even find dedicated database conversion solutions such as the Full Convert Enterprise which could do the trick for you.
Convert XML document to SQLite database.
We have found 2 software records in our database eligible for .xml to .sqlite file format conversion.
Microsoft Windows software - convert xml to sqlite on Windows
Fully-featured version of Navicat for Windows
Convert from xml file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned xml to sqlite. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A powerful database to database converter