XQuantum Database™ A demonstration of the XQuery language standard Simple Queries: choose a query Q1: Path Expression Q2: Unanchored Selection Q3: Child Selection Q4: Decendant or Self Q5: If Statement Q6: For Statement Q7: Treat As Operator Q8: Element Selection Q9: Attribute Selection Q10: Predicate Q11: Arithmetic Operators Q12: User Functions Q13: Typeswitch Statement Description:  Query: