code: @Override
      public Map<String, Integer> loadObjectTypes() throws SQLException {
          int otid = 0;
  
          PreparedStatement ps = getPreparedStatement(OBJECT_TYPE_SQL);
  
          Map<String, Integer> objectTypeIdMap = new HashMap<String, Integer>();
          ps.setInt(1, otid);
          ps.setString(2, "number");
          ps.addBatch();
          objectTypeIdMap.put("number", otid);
          otid++;
          ps.setInt(1, otid);
          ps.setString(2, "varchar");
          ps.addBatch();
          objectTypeIdMap.put("varchar", otid);
          otid++;
          ps.setInt(1, otid);
          ps.setString(2, "clob");
          ps.addBatch();
          objectTypeIdMap.put("clob", otid);
  
          ps.executeBatch();
          return objectTypeIdMap;
      }
docs: {@inheritDoc}