exp时ORA-01555
转发问题，期待飞总详细解答~北京-yongzhi(408944024) 14:33:28
请问一下，EXP备份库时，执行一段时间后，报下面这样错误，主要是什么问题引起的，会是undo_retention值配的太小引起的吗？
EXP-00056: ORACLE error 1555 encountered
ORA-01555: snapshot too old: rollback segment number 147 with name "_SYSSMU147_522184818$" too small
. . exporting table PTPIDMAP
EXP-00056: ORACLE error 1555 encountered
ORA-01555: snapshot too old: rollback segment number 147 with name "_SYSSMU147_522184818$" too small
. . exporting table PTPLAYERRATE
EXP-00056: ORACLE error 1555 encountered
页:
[1]