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  • dba常用SQL语句

    查询rman备份集
    SELECT TRIM(START_TIME||'#'), TRIM(END_TIME||'#'), TRIM(CASE OUTPUT_DEVICE_TYPE WHEN 'DISK' THEN 'DISK' WHEN 'SBT_TAPE' THEN 'SBT_TAPE' ELSE 'Others' END||'#') AS BACKUP_DEVICE, TRIM(STATUS||'#'), TRIM(CASE INPUT_TYPE WHEN 'DB FULL' THEN 'DB_FULL' WHEN 'DB INCR' THEN 'DB_INCR' WHEN 'ARCHIVELOG' THEN 'DB_ARCH' ELSE 'Others' END||'#') AS BACKUP_TYPE, TRIM(ROUND(ELAPSED_SECONDS / 60 / 60, 2)||'#') AS T, TRIM(OUTPUT_BYTES_DISPLAY||'#') AS DB_SIZE FROM V$RMAN_BACKUP_JOB_DETAILS WHERE START_TIME = (SELECT MAX(START_TIME) FROM V$RMAN_BACKUP_JOB_DETAILS);
    ---11G 使用SYS 用户可以直接查询结果;12C 需要在CDB 使用SYS用户查询,否则没有结构
    -- 查询归档日志最大值和平均值
    select max(ss.size_GB), avg(ss.size_GB)
      from (select s.*, rownum rn2
              from (select a.*
                      from (select t1.*, rownum rn
                              from (SELECT TRUNC(FIRST_TIME) time,
                                           SUM(BLOCK_SIZE * BLOCKS) / 1024 / 1024 / 1024 size_GB
                                      FROM V$ARCHIVED_LOG
                                     GROUP BY TRUNC(FIRST_TIME)
                                     order by time desc) t1) a
                     where a.rn > 1
                     order by a.time asc) s) ss
     where ss.rn2 > 1;
    
     
    
    ----查询ASM使用率
    select group_number,name,total_mb/1024 TGB,free_mb/1024 FGB,USABLE_FILE_MB/1024  from v$asm_diskgroup;
    
     
    ---RAC 查询单节点日归档大小
    select to_char(b.FIRST_TIME, 'yyyy-mm-dd') arch_date,
           round(sum(b.BLOCKS * b.BLOCK_SIZE / 1024 / 1024/1024), 2) "ARCH_SIZE(GB)"
      from v$archived_log b
     where b.CREATOR = 'ARCH'
       and b.STANDBY_DEST = 'NO'
       and b.archived = 'YES'
       and b.dest_id = 1
       and b.FIRST_TIME >= sysdate - 15
       and b.FIRST_TIME < trunc(sysdate)
     group by to_char(FIRST_TIME, 'yyyy-mm-dd')
     order by 1;
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  • 原文地址:https://www.cnblogs.com/vmsysjack/p/12344818.html
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