oracle 查看用户表空间

select * from dba_data_files where TABLESPACE_NAME=’XX’–找到表空间文件
alter database datafile ‘/opt/app/oracle/oradata/xx/xx03.dbf’ autoextend on;

ALTER TABLESPACE JXYTH ADD DATAFILE ‘D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\JXYTH02.DBF’ SIZE 5000M;