Back Up Server - for 10g Database

Question

Dear Gurus,
I have the following requirement:
I have a production databaser running on Dell Server with Windows 2003. I want to create a back up server for the same and it need to be updated daily evening. So i have writtent a batch fil as follows:
echo "Backup of 10g Database User"
del d:\10gDB_Backup\*.dmp
del d:\10gDB_Backup\*.log
del s:\*.dmp
exp system/oracle file=D:\10gDB_Backup\10gDB%DATE%.dmp full=Y log=D:\10gDB_Backup\10gDB.log
echo "Finished Backup"
echo "Backup of 10g Database User"
copy D:\10gDB_Backup\*.dmp s:\
echo "Finished Copying the 10g Database to Backup Server"
Now from the above file you can see i am using the exp utility and taking a full backup of the database and copying it to S drive which is nothing but one of the drives i have mapped for coping over the network to my back up server. Now on my backup server i have installed Oracle 10g Database same version as on production with the same SID. Now after doing the export can i run import on the back up server using system user to load all the data from the export file?
Will it work also i have to perform this exp/imp daily evening automatically so what will happen to the data which is on Back up will all the users data will overided or what will happen, I will be thankful if anyone can explain and guide me in performing the above mention task.
Note Db Size is 450MB.
Regards
Kiran Rana

Answer 1

If you want to use an export as a supplement to a viable backup mechanism, the least you could do is use datapump. However, if this is all that you use, like damorgan says, you are a disaster waiting to happen.
Physical backups are backups of the physical files used in storing and recovering your database, such as datafiles, control files, and archived redo logs. Ultimately, every physical backup is a copy of files storing database information to some other location, whether on disk or some offline storage such as tape.
Logical backups contain logical data (for example, tables or stored procedures) exported from a database with an Oracle export utility and stored in a binary file, for later re-importing into a database using the corresponding Oracle import utility.
Physical backups are the foundation of any sound backup and recovery strategy. Logical backups are a useful supplement to physical backups in many circumstances but are not sufficient protection against data loss without physical backups.
Unless otherwise specified, the term "backup" as used in the backup and recovery documentation refers to physical backups, and to back up part or all of your database is to take some kind of physcial backup. The focus in the backup and recovery documentation set will be almost exclusively on physical backups.
http://download.oracle.com/docs/cd/B19306_01/backup.102/b14192/intro001.htm#sthref10