recreate undo tbs.sql

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--Create new undo tablespace
CREATE UNDO 
	 TABLESPACE "UNDOTEMP" 
	 DATAFILE 'D:\ORACLE\ORADATA\MY9IDB\UNDOTEMP.ora'
	 SIZE 200M;
   
   
Alter System Set UNDO_TABLESPACE='UNDOTEMP' scope=both;

ALTER TABLESPACE UNDOTBS1 OFFLINE;

DROP TABLESPACE UNDOTBS1 INCLUDING CONTENTS;



CREATE UNDO TABLESPACE "UNDOTBS1" 
 DATAFILE 'D:\ORACLE\ORADATA\MY9IDB\UNDOTBS1.ora'
 SIZE 200M
 [reuse]

ALTER SYSTEM SET UNDO_TABLESPACE='UNDOTBS1' SCOPE=BOTH   

ALTER TABLESPACE UNDOTEMP OFFLINE


SELECT usn,xacts,rssize/1024/1024 as rssize,hwmsize/1024/1024 as hwmsize FROM V$ROLLSTAT order by rssize