13. The machine-readable storage medium of claim 12 , wherein the first SQL query statement is translated by a query translator implemented using ANTLR (Another Tool for Language Recognition) compatible techniques.
13. The machine-readable storage medium of claim 12 , wherein the first SQL query statement is translated by a query translator implemented using ANTLR (Another Tool for Language Recognition) compatible techniques. 15. The machine-readable storage medium of claim 13 , wherein the metadata is in an extensible markup language (XML) format.