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undo 太小可能引起的错误

原创 Oracle 作者:huzhichengforce 时间:2014-05-31 18:17:16 0 删除 编辑
1、DML could fail because there is not enough space to accommodate undo for
new transactions.
2、Long-running queries could fail with a snapshot too old error, which means
that there was insufficient undo data for read consistency

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