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  • 查看表空间使用率

    set linesize 160
    set pagesize 999
    col TABLESPACE_NAME for a18
    col TBS_TOTAL_MB for 9999999
    col TBS_USED_MB for 9999999
    col TBS_FREE_MB for 9999999
    col TBS_RATE for a11             
    col EXTEND_MAX_MB for 9999999999999
    col EXTEND_FREE_MB for 9999999999999
    col EXTEND_RATE for a11
    select a.tablespace_name,
           round(current_size / 1024 / 1024, 1) TBS_TOTAL_MB,
           round((current_size - b.free_bytes) / 1024 / 1024, 1) TBS_USED_MB,
           round(b.free_bytes / 1024 / 1024, 1) TBS_FREE_MB,
           round(((current_size - b.free_bytes) / current_size) * 100, 1) || '%' TBS_RATE,
           round(a.max_size / 1024 / 1024, 1) EXTEND_MAX_MB,
           round((a.max_size - (current_size - b.free_bytes)) / 1024 / 1024, 1) EXTEND_FREE_MB,
           round(((current_size - b.free_bytes) / a.max_size) * 100, 1) || '%' EXTEND_RATE
      from (select tablespace_name,
                   sum(ddf.bytes) current_size,
                   sum(case
                         when ddf.autoextensible = 'YES' THEN
                          DDF.MAXBYTES
                         ELSE
                          DDF.BYTES
                       END) max_size
              from dba_data_files ddf
             group by tablespace_name
            union
            select tablespace_name,
                   sum(ddf.bytes) current_size,
                   sum(case
                         when ddf.autoextensible = 'YES' THEN
                          DDF.MAXBYTES
                         ELSE
                          DDF.BYTES
                       END) max_size
              from dba_temp_files ddf
             group by tablespace_name) a,
           (select dfs.tablespace_name, sum(dfs.bytes) free_bytes
              from dba_free_space dfs
             group by dfs.tablespace_name
            union
            select tfs.tablespace_name, sum(tfs.BYTES_FREE) free_bytes
              from v$TEMP_SPACE_HEADER tfs
             group by tfs.tablespace_name) b
     where a.tablespace_name = b.tablespace_name(+);
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  • 原文地址:https://www.cnblogs.com/liang545621/p/9410698.html
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