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CREATE UNDO TABLESPACE "UNDOTBS2"
DATAFILE 'E:\ORCLDATA\oradata\AS40029I\UNDOTBS2A.dbf' SIZE 2048M
AUTOEXTEND ON NEXT   10M MAXSIZE UNLIMITED
/

ALTER SYSTEM set undo_tablespace=undotbs2 SCOPE=BOTH;

DROP TABLESPACE undotbs1 INCLUDING CONTENTS AND DATAFILES;

--Ãö¸ê®Æ®w¤â°Ê§Rdatafile
--­«·s±Ò°Ê¸ê®Æ®w

CREATE UNDO TABLESPACE "UNDOTBS1"
DATAFILE 'E:\ORCLDATA\oradata\AS40029I\UNDOTBS01.dbf' SIZE 2048M
AUTOEXTEND ON NEXT   10M MAXSIZE UNLIMITED
/

ALTER SYSTEM set undo_tablespace=undotbs1 SCOPE=BOTH;

DROP TABLESPACE undotbs2 INCLUDING CONTENTS AND DATAFILES;

--­«·s±Ò°Ê¸ê®Æ®w