code: public int deleteAll() throws SQLException {
  
  		int count = 0;
  
  		if (isTableExists()) {
  			DeleteBuilder<TableIndex, String> db = deleteBuilder();
  			PreparedDelete<TableIndex> deleteQuery = db.prepare();
  			count = delete(deleteQuery);
  		}
  
  		return count;
  	}
docs: Delete all table indices
  
  @return rows deleted
  @throws SQLException
  upon deletion failure
  @since 1.1.5