private ISqlJetSchema getSqlJetSchema(final File dbFile) {
   SqlJetDb db = null;
   try {
     db = SqlJetDb.open(dbFile, true);
     return db.getSchema();
   } catch (final SqlJetException e) {
     e.printStackTrace();
   } finally {
     if (db != null) {
       try {
         db.close();
       } catch (final SqlJetException e) {
         e.printStackTrace();
       }
     }
   }
   return null;
 }