表空间管理

--查询表空间

SELECT a.tablespace_name,

a.bytes/1073741824 total,

b.bytes/1073741824 used,

c.bytes/1073741824 free,

(b.bytes * 100) / a.bytes "% USED ",

(c.bytes * 100) / a.bytes "% FREE "

FROM sys.sm$ts_avail a, sys.sm$ts_used b, sys.sm$ts_free c

WHERE a.tablespace_name = b.tablespace_name

AND a.tablespace_name = c.tablespace_name;

 

--查询表空间所使用文件

select file_name ,tablespace_name,bytes from dba_data_files;

 

增加表空间

ALTER TABLESPACE SYSTEM ADD DATAFILE 'D:\APP\ADMINISTRATOR\ORADATA\ORCL\SYSTEM02.DBF' SIZE 2000M AUTOEXTEND ON NEXT 200M