getTableTypes()
Syntax:
ResultSet getTableTypes()
                        throws SQLException
                                        Description:
Retrieves the table types available in this database. The results are ordered by table type.
The table type is:
| TABLE_TYPE | String | table type. Typical types are "TABLE", "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM". | 
Returns:
a ResultSet object in which each row has a single String column that is a table type
Throws:
SQLException - if a database access error occurs