cqfx:/fxdata/fxtest/etl $ sqlplus analyze_test/rjblhl
SQL> desc dba_segments;
SQL> select sum(bytes)/1024/1024 from dba_segments where owner='ANALYZE_TEST'; --单位是G
SQL> host bdf
SQL> exit
cqfx:/fxdata $ cd fxtest
cqfx:/fxdata/fxtest/etl/backup $ ls -l
----看磁盘空间容量-----
$df -k
$bdf
copy 目录 cp -rp srcdir dstdir
显示隐藏文件 ls -a
--可以查看表的最大分区
select table_name,max(partition_name) from user_tab_partitions
group by table_name