Re: 'Oracle Internet Directory' - Complete in-memory database??

From: IANAL_VISTA <IANAL_Vista_at_hotmail.com>
Date: Sun, 18 Dec 2005 17:27:08 GMT
Message-ID: <Xns9730603E888FASunnySD@70.168.83.30>

qazmlp1209_at_rediffmail.com wrote in
news:1134926437.862563.229050_at_f14g2000cwb.googlegroups.com:

>
> IANAL_VISTA wrote:

>> > In my understanding, Oracle RDBMS is not a complete in-memory
>> > database. Allotting a large System Global Area(SGA) will just make
>> > large part of the database to be loaded into memory, but still the
>> > updates will be written onto the Disks.
>> >
>> > So, storing in-memory completely is ruled out for Oracle RDBMS.
>> > But, what about for 'Oracle Internet Directory'? I would like to
>> > know whether it is possible to make the 'Oracle Internet Directory'
>> > data completely in in-memory.
>> >
>> NO.

> Fine!

>> What happens to "a complete in-memory database" when power is lost?

> But, there are complete 'in-memory' databases exist in the Market.
> Isn't it? AFAIK, they follow the concept of having redundant
> servers(maybe Primary/Secondary) and additionally backing up the data
> onto the disk at certain points. Seeing these, I just thought whether
> the samething can be achieved with Oracle RDBMS/Oracle Internet
> Directory.
>
>

Oracle Internet Directory uses Oracle RDBMS as its backing store.
How does a "a complete in-memory database" function when the amount of data exceeds the amount of RAM?

What problem are you really trying to solve? Received on Sun Dec 18 2005 - 11:27:08 CST