code: public static boolean dropTableIfExists(final Connection conn, final String tableName) {
          try {
              if (doesTableExist(conn, tableName)) {
                  execute(conn, "DROP TABLE " + tableName);
  
                  return true;
              }
          } catch (SQLException e) {
              // ignore.
          }
  
          return false;
      }
docs: Returns {@code true} if succeed to drop table, otherwise {@code false} is returned.
  
  @param conn
  @param tableName
  @return