Oracle事物处理中回滚段容量的问题
在执行大事务时,有时Oracle会报出如下的错误: ORA-01555:snapshot too old (rollback segment too small) 这说明oracle给此
在执行大事务时,有时Oracle会报出如下的错误:
这说明oracle给此事务随机分配的回滚段太小了,这时可以为它指定一个足够大的回滚段,以确保这个事务的成功执行.例如
回滚段roll_abc被指定给这个delete事务,commit命令则在事务结束之后取消了回滚段的指定。
更多Oracle相关信息见Oracle 专题页面 ?tid=12

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