SQL> create tablespace undotbs2 datafile
'/u01/app/oracle/oradata/orcl/disk4/undotbs02.dbf' size 50m;
SQL> create undo tablespace undotbs2
datafile '/u01/app/oracle/oradata/orcl/disk4/undotbs02.dbf' size 50m;
SQL> alter system set
undo_tablespace=undotbs2;
查看undo_tablespace参数的值
SQL> show parameter undo_tablespace;
NAME TYPE VALUE
------------------------------------
----------- ------------------------------
undo_tablespace string UNDOTBS2
删除之前的undo表空间内容及其文件
SQL> alter tablespace temp2 tablespace
group temp_grp1;
6、删除表空间和文件
SQL> drop
tablespace undotbs2 including contents and datafiles;
7、创建undo表空间
切换undo表空间到undotbs2上
8、建一个临时表空间组,将临时表空间temptbs,temp2添加到一个组temp_grp1里
SQL>CREATE TEMPORARY TABLESPACE lmtemp2 TEMPFILE '/u02/oracle/data/lmtemp201.dbf' SIZE 50M TABLESPACE GROUP group1;
设置temp_grp1为临时表空间组
SQL> alter
database default temporary tablespace temp_grp1;
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