查询表空间对应的数据文件
select tablespace_name,file_id,bytes/1024/1024,file_name from dba_data_files order by file_id;
用户和表空间对应关系
select username,default_tablespace from dba_users;
表和表空间的对应关系
select table_name,tablespace_name from user_tables;
scott@ORCL>select tablespace_name,file_id,bytes/1024/1024,file_name from dba_data_files order by file_id;
TABLESPACE_NAME FILE_ID BYTES/1024/1024 FILE_NAME
------------------------------ ---------- --------------- ----------------------------------------
SYSTEM 1 690 /opt/oracle/oradata/orcl/system01.dbf
SYSAUX 2 540 /opt/oracle/oradata/orcl/sysaux01.dbf
UNDOTBS1 3 100 /opt/oracle/oradata/orcl/undotbs01.dbf
USERS 4 36.25 /opt/oracle/oradata/orcl/users01.dbf
EXAMPLE 5 100 /opt/oracle/oradata/orcl/example01.dbf
scott@ORCL>select username,default_tablespace from dba_users;
USERNAME DEFAULT_TABLESPACE
------------------------------ ------------------------------
TEST2 USERS
SCOTT USERS
TEST3 USERS
TEST1 USERS
ORACLE_OCM USERS
XS$NULL USERS
BI USERS
PM USERS
MDDATA USERS
IX USERS
SH USERS
DIP USERS
OE USERS
APEX_PUBLIC_USER USERS
HR USERS
SPATIAL_CSW_ADMIN_USR USERS
SPATIAL_WFS_ADMIN_USR USERS
DBSNMP SYSAUX
SYSMAN SYSAUX
FLOWS_FILES SYSAUX
MDSYS SYSAUX
ORDSYS SYSAUX
EXFSYS SYSAUX
WMSYS SYSAUX
APPQOSSYS SYSAUX
APEX_030200 SYSAUX
OWBSYS_AUDIT SYSAUX
ORDDATA SYSAUX
CTXSYS SYSAUX
ANONYMOUS SYSAUX
XDB SYSAUX
ORDPLUGINS SYSAUX
OWBSYS SYSAUX
SI_INFORMTN_SCHEMA SYSAUX
OLAPSYS SYSAUX
MGMT_VIEW SYSTEM
SYS SYSTEM
SYSTEM SYSTEM
OUTLN SYSTEM
39 rows selected.
scott@ORCL>select table_name,tablespace_name from user_tables;
TABLE_NAME TABLESPACE_NAME
------------------------------ ------------------------------
DEPT USERS
EMP USERS
BONUS USERS
SALGRADE USERS
GLOBAL USERS
TTT USERS
T USERS
T1 USERS
T2 USERS
STUDENT USERS
FACULTY USERS
SHIPMENT USERS
TT USERS
13 rows selected.
scott@ORCL>
