啥都不说了,见下面的语句:
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首先要确认一下每个归档日志(redo日志)文件的大小,通过下面的SQL:
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select bytes/1024/1024 MB from v$log;
其次以下SQL可以完成每天归档情况的统计:
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select max (first_time) max_first_time,
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to_char (first_time, 'yyyy-mm-dd') day,
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count (recid) count_number,
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count (recid) * 200 size_mb
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from v$log_history
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group by to_char (first_time, 'yyyy-mm-dd')
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order by 1;
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/22878696/viewspace-1790225/
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