code: public static PreparedStatement createRelationMemberTable(Connection connection, String relationMemberTable) throws SQLException {
          try (Statement stmt = connection.createStatement()) {
              StringBuilder sb = new StringBuilder("CREATE TABLE ");
              sb.append(relationMemberTable);
              sb.append("(ID_RELATION BIGINT, ID_SUB_RELATION BIGINT, ROLE VARCHAR, RELATION_ORDER INT);");
              stmt.execute(sb.toString());
          }
          return connection.prepareStatement("INSERT INTO " + relationMemberTable + " VALUES ( ?,?,?,?);");
      }
docs: Store all relation members
  
  @param connection
  @param relationMemberTable
  @return
  @throws SQLException