rman hotbackup without archive logs

Oracle 9.2.0.4 on Solaris

Let's say my db has been up one month.
Can I delete all my archive logs, do a hotbackup (rman: backup database),and from that backup (and the ongoing archive logs) I can recover fine at any time right?

(obviously not the best practice, just wondering about the scenario)

You don't need to backup or keep PAST archive logs when you do an RMAN online hotbackup to recover?

My tests say this works.
The Documentation is ambiguous at best regarding the need of archive logs or if it is necessary to backup archivelogs. It just says it is helpful if you want to use logminer on them or that type of thing.

You are correct!

I normally keep my achived logs for the last 1-2 days just in case, and the rest you can delete.

thanks.

I just found my new friend: 'delete obsolete'

that's what i really need to know.. will a full RMAN online backup sufficient enough to recover the database to the point when the backup was taking place.
I need a master backup for a training database that is to be restored after every training session. the backup will be done by issuing BACKUP DATABASE. all the archivelogs before and after the backup will be deleted. will the backup still function without any backup on both ends?

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if you want to delete archivelog file,you will do it with rman.
RMAN>delete obsolete;
do not delete archivelog file using OS commands,like rm.
good luck for you
hehe