This package contains MetaMatrix query language objects representing parts of the SQL language accepted by MetaMatrix.

For instance, a SQL query such as `SELECT * FROM Table WHERE a = 5` would be represented with the following objects (represented here as tree, where indentation implies a reference):

    Query object                    Text representation
    ------------                    -------------------
    Query                           SELECT
        Select
            AllSymbol		*
        From			FROM
            UnaryFromClause
                GroupSymbol		table
        CompareCriteria
            ElementSymbol		a
            Constant		5

## Related Documentation

- MetaMatrix Connector Developer's Guide