Re: Database question ?
From: mAsterdam <mAsterdam_at_vrijdag.org>
Date: Fri, 13 Aug 2004 23:42:36 +0200
Message-ID: <411d35d0$0$42417$e4fe514c_at_news.xs4all.nl>
>>Gene Wirchenko wrote:
>>>Alan wrote:
>>>>m sergei wrote:
>>>>
>>>>>I have a question about how is Database software constructed ?
>>>>>
>>>>>Say Oracle/Sybase etc database software, how are they programmed ? ie
>>>>>how is data actually stored in tables, or actually in files ?
>>>>
>>>>Here is a very simple explanation:
>>>>
>>>>Data is stored in logical structures called tables. These logical structures
>>>>are implemented physically in files.
>>>
>>> They might be, but it need not be that way.
>>
>>Are you thinking in memory databases and raw devices or did you have
>>something else in mind? I think the 'file' concept somehow comes in
>>somehow everywhere albeit sometimes posing as 'container'.
Date: Fri, 13 Aug 2004 23:42:36 +0200
Message-ID: <411d35d0$0$42417$e4fe514c_at_news.xs4all.nl>
Gene Wirchenko wrote:
> mAsterdam wrote:
>>Gene Wirchenko wrote:
>>>Alan wrote:
>>>>m sergei wrote:
>>>>
>>>>>I have a question about how is Database software constructed ?
>>>>>
>>>>>Say Oracle/Sybase etc database software, how are they programmed ? ie
>>>>>how is data actually stored in tables, or actually in files ?
>>>>
>>>>Here is a very simple explanation:
>>>>
>>>>Data is stored in logical structures called tables. These logical structures
>>>>are implemented physically in files.
>>>
>>> They might be, but it need not be that way.
>>
>>Are you thinking in memory databases and raw devices or did you have
>>something else in mind? I think the 'file' concept somehow comes in
>>somehow everywhere albeit sometimes posing as 'container'.
> > Those are possibilites. The point is that the relational model > does not specify the storage method. It could be laser pulses bounced > off the moon.
Summary of this discussion:
Q: How is data actually stored?
Am I missing something? Received on Fri Aug 13 2004 - 23:42:36 CEST