Oracle TEMPFILE&ONLINE REDO LOG OPERATION

REDO:

 ALTER DATABASE DROP LOGFILE GROUP XXX;

ALTER DATABASE ADD LOGFILE GROUP 1 ('','') SIZE 100M;

ALTER SYSTEM SWITCH LOGFILE;

SELECT GROUP#,THREAD#,MEMEBERS,STATUS FROM V$LOG;

 

TEMPFILE:

ALTER DATABASE DROP TEMPFILE 'XXX' DROP INCLUDING DATAFILES;

ALTER TABLESPACE TEMP ADD TEMPFILE 'XXX'  SIZE 100M AUTOEXTEND ON NEXT 100M MAXSIZE 8000M;