My undo tablespace was created as part of thi screate database statement:

CREATE DATABASE orsp
MAXINSTANCES 1
MAXLOGHISTORY 1
MAXLOGFILES 5
MAXLOGMEMBERS 5
MAXDATAFILES 100
DATAFILE '&vDATAFILES\system01.dbf' SIZE 300M REUSE AUTOEXTEND ON NEXT 10240K MAXSIZE UNLIMITED
UNDO TABLESPACE "UNDOTBS" DATAFILE '&vDATAFILES\undotbs01.dbf' SIZE 800M REUSE AUTOEXTEND ON NEXT 10M MAXSIZE UNLIMITED
CHARACTER SET WE8MSWIN1252
NATIONAL CHARACTER SET AL16UTF16
LOGFILE GROUP 1 ('&vFIRSTREDO\redo01.log', '&vSECONDREDO\redo01B.log') SIZE 10M,
GROUP 2 ('&vFIRSTREDO\redo02.log', '&vSECONDREDO\redo02B.log') SIZE 10M,
GROUP 3 ('&vFIRSTREDO\redo03.log', '&vSECONDREDO\redo03B.log') SIZE 10M,
GROUP 4 ('&vFIRSTREDO\redo04.log', '&vSECONDREDO\redo04B.log') SIZE 10M;


I noticed that the size of the undo file grew in two months to 8.5G. Is it normal?

Thanks,