docs: String createDeletePreparedSQLStatement() {
  
          final Set<String> primaryKeyColumnNameSet = getPrimaryColumnNames();
  
          final StringGrabber sgSQL = new StringGrabber();
  
          // Get the table name
          final DBTable table = mModelClazz.getAnnotation(DBTable.class);
          final String tableName = table.tableName();
  
          sgSQL.append("DELETE FROM " + tableName + " WHERE ");
  
          // Scan all column names in the model class
          for (String columnName : primaryKeyColumnNameSet) {
  
              sgSQL.append(columnName);
              sgSQL.append(" = ?, ");
  
          }// end of for (String columnName : primaryKeyColumnNameSet) {
  
          if (sgSQL.length() > 2) {
              sgSQL.removeTail(2);
          }
  
          final String sql = sgSQL.toString();
          log("#createUpdatePreparedSQLStatement sql=" + sql);
  
          return sql;
      }