Oracle oerr使用

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[oracle@cuug ~]$ oerr ora 01555

01555, 00000, "snapshot too old: rollback segment number %s with name \"%s\" too small"
// *Cause: rollback records needed by a reader for consistent read are
//         overwritten by other writers
// *Action: If in Automatic Undo Management mode, increase undo_retention
//          setting. Otherwise, use larger rollback segments

Oracle oerr使用

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原文地址：http://www.cnblogs.com/iyoume2008/p/4690700.html