SQL> Select to_char(completion_time,'yyyy-mm-dd') as date1,count(0) as
cnt,round(sum((blocks *block_size)/1024/1024)) as mb from v$archived_log
group by to_char(completion_time,'yyyy-mm-dd') order by date1 desc;
DATE1 CNT MB --CNT 为每天归档次数,MB
为每天的归档量
------------------------------ ---------- ----------
2019-04-22 18 17471
2019-04-21 54 49580
2019-04-20 52 49069
2019-04-19 54 51279
2019-04-18 389 366716
2019-04-17 56 53025
2019-04-16 52 49259
2019-04-15 56 52957
2019-04-14 52 49145
2019-04-13 52 49145
2019-04-12 52 48889
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