Oracel扩展表空间

--表空间查看
SELECT tbs,
    sum(totalM) as total,
    sum(usedM) as UserdM,
    sum(remainedM) as remainedM,
    sum(usedM)/sum(totalM)*100 as UserdPercent,
    sum(remainedM)/sum(totalM)*100 as remainedPercent
    FROM(
     SELECT b.file_id ID,
     b.tablespace_name tbs,
     b.file_name name,
     b.bytes/1024/1024 totalM,
     (b.bytes-sum(nvl(a.bytes,0)))/1024/1024 usedM,
     sum(nvl(a.bytes,0)/1024/1024) remainedM,
     sum(nvl(a.bytes,0)/(b.bytes)*100),
     (100 - (sum(nvl(a.bytes,0))/(b.bytes)*100))
     FROM dba_free_space a,dba_data_files b
     WHERE a.file_id = b.file_id
     GROUP BY b.tablespace_name,b.file_name,b.file_id,b.bytes
     ORDER BY b.tablespace_name
    )
    GROUP BY tbs

--查看表空间文件位置
SELECT ddf.file_name FROM Dba_Data_Files ddf where ddf.tablespace_name = 'BLOBS'

 --增大表空间
ALTER TABLESPACE BLOBS ADD DATAFILE '/opt/ptc/Windchill_9.1/ocu/oradata/wind/windblobs02.dbf' SIZE 2g AUTOEXTEND ON NEXT 500M MAXSIZE 32g;