Re: Is a RDBMS needed?

Exadata is C++ code. so , no, it doesn't.





________________________________
From: Robert Freeman <robertgfreeman@xxxxxxxxx>
To: Brian.Zelli@xxxxxxxxxxxxxxx; Oracle-L Freelists <oracle-l@xxxxxxxxxxxxx>
Sent: Wed, June 29, 2011 8:51:21 AM
Subject: Re: Is a RDBMS needed?


In a way, since Oracle is written in C one might conclude that it does speed up 
pointers..... ;)

 Robert G. Freeman
Master Principal Consultant, Oracle Corporation, Oracle ACE
Author of various books on RMAN, New Features and this shorter signature line.
Blog: http://robertgfreeman.blogspot.com


Note: THIS EMAIL IS NOT AN OFFICIAL ORACLE SUPPORT COMMUNICATION. It is just 
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________________________________
From: "Zelli, Brian" <Brian.Zelli@xxxxxxxxxxxxxxx>
To: "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>
Sent: Wed, June 29, 2011 8:52:56 AM
Subject: RE: Is a RDBMS needed?

 
But doesn't Exadata speed up pointers?    :)
   
ciao,
Brian
 

________________________________
 From: oracle-l-bounce@xxxxxxxxxxxxx  [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On 
Behalf Of Robert  Freeman
Sent: Wednesday, June 29, 2011 10:49 AM
To: sfaroult@xxxxxxxxxxxx; cicciuxdba@xxxxxxxxx
Cc: dbvision@xxxxxxxxxxxx;  oracle-l@xxxxxxxxxxxxx
Subject: Re: Is a RDBMS  needed?


Ah yes,  pointers..... bringing back horrific reminders of my C days.... 
pointers,  pointers to pointers, pointers to functions..... 


Now all I have to worry  about is 5 page execution plans and being the dumbass 
of the year.  WOOT!

RF


 Robert G. Freeman
Master Principal Consultant, Oracle  Corporation, Oracle ACE
Author of various books on RMAN, New Features and  this shorter signature line.
Blog: http://robertgfreeman.blogspot.com


Note: THIS EMAIL IS NOT AN OFFICIAL ORACLE SUPPORT COMMUNICATION. It is  just 
the opinion of one Oracle employee. I can be wrong, have been wrong in the  
past 
and will be wrong in the future. If your problem is a critical production  
problem, you should always contact Oracle support for assistance. Statements in 
 
this email in no way represent Oracle Corporation or any subsidiaries and  
reflect only the opinion of the author of this email. 





________________________________
 From: Stephane Faroult  <sfaroult@xxxxxxxxxxxx>
To: cicciuxdba@xxxxxxxxx
Cc: dbvision@xxxxxxxxxxxx;  oracle-l@xxxxxxxxxxxxx
Sent: Wed, June 29, 2011 8:45:47 AM
Subject: Re: Is a RDBMS  needed?

On 06/29/2011 04:13 PM, Guillermo Alan Bort wrote:
>  hey, I want to get paid 500$ a day... where do I sign up? is that for 
>consulting  or for regular dba job? I can code pretty decent pl/sql as well :-P
> 
> anyway, slightly moving this farther off topic, does anyone here know  
> anything 
>about object oriented databases? I'm interesting in Gemstone in  particular. 
>What are they, what are the differences and what are they used for?  How do 
>they 
>store data? what are the differences with multidimensional  databases?
> 
> I had a java developer who hates rdbms telling me  that RDBMS were dead (what 
> a 
>surprise) and that the future of persitence was in  nosql and that nonsense.
> 
> cheers
>  Alan.-

Alan,

  Concerning OO databases, I'm going to be  anecdotal - back in 1993, I was 
travelling in California with my wife and we met  some of her former colleagues 
(she had worked a couple of years in Silicon  Valley). One of them was then 
working with an OO database vendor. He was pretty  gloomy, saying that he 
company had been around for about 5 years and wasn't  giving any sign of taking 
off - yet it was then one of the main players in the  field.
  I don't think the situation, 18 years later, is any better (the  company 
still 
exists, and they now have "NoSQL" on their home page). In my view,  it's a case 
of survival of the fittest. I have no doubt that these products have  their use 
in some niches (like you might say it's hard to beat sequential files  for 
logs).

When Codd designed the relational model, it was partly  to get rid of the 
pointer-based navigation that was plaguing the so called  "Codasyl" (network) 
model. There was a legendary debate back in 1974 between  Codd and Bachman (the 
Codasyl champion)  - you may be interested by this  (long) interview of 
Bachman, 
he refers to the OO "model" page 105/106: 
http://portal.acm.org/citation.cfm?id=1141882 - which he still  seems to favor.
Pointers are fine as long as you don't need to change  things and maintain the 
application. By the way, as according to Joel Spolsky  only 40% of developers 
understand pointers, my guess is that today's  Java-trained developers probably 
have a harder-time really understanding how all  this works than their 
counterparts of the 60s and 70s, who generally were of  another caliber.

SF




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