Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] QName 2nd queries recursive reference-based queries XML applying value semantics determining set equality executing structure-preserving implementing W3C XML query-case joins performing set operations on node sets XQuery quote (') characters, handling string literals |