High Quality Content by WIKIPEDIA articles! Sav Zigzag is a mobile object-relational DBMS (ORDBMS) supporting Zigzag language, more expressive than SQL and XQuery. Zigzag algebraic expressions enable lightly to process not only tabular data but also hierarchic, for example XML with its dynamic and multi-level structure. The some peculiarities of Zigzag database: many-valued data, multi-level classification, dynamic structure, automatic data integrity control, and class inheritance. DBMS Sav Zigzag may be installed on PC, PDA and even on the mobile phone (smartphone, commutator).