Welcome to the course “XML & Databases 1”. Following this course means you will read about some of the latest research on XML databases. We will discuss XML querying with XPath and XQuery, publishing of relational data, a lot about relational storage structures for XML data and query processing techniques, and lectures on full-text querying, distributed querying and querying stand-off data. To obtain the study material necessary for this course, you need to buy the reader “XML & Databases 1 & 2”.It is possible to use the old readers from 2008/2009 or 2009/2010. We hope you will enjoy the course.