查看当前用户的缺省表空间

select username,default_tablespace from user_users;

--XUSER XUSER_DATA

查询表空间 含临时表空间

select tablespace_name from dba_tablespaces;

--XUSER_TEMP

--XUSER_DATA

查询表空间的路径

select name from v$datafile

--/u01/app/oracle/oradata/orcl/xuser_data.dbf

查询表空间的路径

select * from DBA_DATA_FILES;

--/u01/app/oracle/oradata/orcl/xuser_data.dbf

查询临时表空间的路径

select * from v_$tempfile --sys用户查看

查询临时表空间的路径

select * from dba_temp_files;

--/u01/app/oracle/oradata/orcl/xuser_temp.dbf

查询用户的角色

select * from user_role_privs;

--XUSER CONNECT

--XUSER DBA

--XUSER RESOURCE

查询用户的系统权限

select * from user_sys_privs;

--XUSER UNLIMITED TABLESPACE

查询表空的大小，使用量

select dbf.tablespace_name,

dbf.totalspace "总量(M)",

dbf.totalblocks as 总块数,

dfs.freespace "剩余总量(M)",

dfs.freeblocks "剩余块数",

(dfs.freespace / dbf.totalspace) * 100 "空闲比例"

from (select t.tablespace_name,

sum(t.bytes) / 1024 / 1024 totalspace,

sum(t.blocks) totalblocks

from dba_data_files t

group by t.tablespace_name) dbf,

(select tt.tablespace_name,

sum(tt.bytes) / 1024 / 1024 freespace,

sum(tt.blocks) freeblocks

from dba_free_space tt

group by tt.tablespace_name) dfs

where trim(dbf.tablespace_name) = trim(dfs.tablespace_name)

查看临时表空间的大小，使用量

SELECT D.TABLESPACE_NAME,SPACE "SUM_SPACE(M)",BLOCKS SUM_BLOCKS,

USED_SPACE "USED_SPACE(M)",ROUND(NVL(USED_SPACE,0)/SPACE*100,2) "USED_RATE(%)",

NVL(FREE_SPACE,0) "FREE_SPACE(M)"

FROM

(SELECT TABLESPACE_NAME,ROUND(SUM(BYTES)/(1024*1024),2) SPACE,SUM(BLOCKS) BLOCKS

FROM DBA_TEMP_FILES

GROUP BY TABLESPACE_NAME) D,

(SELECT TABLESPACE_NAME,ROUND(SUM(BYTES_USED)/(1024*1024),2) USED_SPACE,

ROUND(SUM(BYTES_FREE)/(1024*1024),2) FREE_SPACE

FROM V$TEMP_SPACE_HEADER

GROUP BY TABLESPACE_NAME) F

WHERE  D.TABLESPACE_NAME = F.TABLESPACE_NAME(+)

windows下oracle 创建表空间，创建用户

linux下oracle创建表空间，创建用户