One of my first exposure to computers was as "repairman" on
a Univac computer which had a whopping 32K words of 30 bits
in each word containing only ferrite core memory. The program
was loaded from a 7-bit (2 octal digits, plus a parity bit)
magnetic tape drive. In such a system, every bit mattered.
"Mercadante, Thomas F" wrote:
>
> Just curious - it's not like I'm trying to be mean or anything. I was just
> wondering if this is an issue with certain types of applications. I
> remember I had to worry about memory usage a *long* time ago when mainframe
> systems only had limited core memory (anybody remember core memory?), and
> application design and memory reuse was a critical part of the whole
> process.
>
> But within Oracle, I have not seen the need to worry about these types of
> things.
>
> Tom Mercadante
> Oracle Certified Professional
>
> -----Original Message-----
> Sent: Wednesday, March 06, 2002 9:04 AM
> To: Multiple recipients of list ORACLE-L
>
> I think it's an OCP - type question.
>
> They ask questions like this, when in reality people just buy servers, and
> if they need more space, they buy more disk...
>
> .. .providing there aren't obvious problems with database design.
>
> Does anyone really spend days figuring out the exact size of rows etc.
> before tables are created?
>
> It seems to me people would just "try" the new thing on a development
> machine, look at space usage, then declare how much disk and CPU they need
> for the production system.
>
> There is a point of diminishing returns, where more time is lost than the
> performance / storage gain would justify.
>
> Regards,
> Patrice Boivin
> Systems Analyst (Oracle Certified DBA)
>
> Systems Admin & Operations | Admin. et Exploit. des systèmes
> Technology Services | Services technologiques
> Informatics Branch | Direction de l'informatique
> Maritimes Region, DFO | Région des Maritimes, MPO
>
> E-Mail: boivinp_at_mar.dfo-mpo.gc.ca
>
> -----Original Message-----
> [mailto:Thomas.Mercadante_at_Labor.State.Ny.Us]
> Sent: Wednesday, March 06, 2002 9:09 AM
> To: Multiple recipients of list ORACLE-L
> Subject: RE: Riddle me this Oracle riddle...
>
> Anybody wish to answer the following:
>
> Why does this matter? Or is this an OCP exam question?
>
> Personally, I fail to see the relevance.
>
> Tom Mercadante
> Oracle Certified Professional
>
> -----Original Message-----
> Sent: Tuesday, March 05, 2002 4:48 PM
> To: Multiple recipients of list ORACLE-L
>
> Riddle me this Batman.....
>
> Assume Oracle9i...
>
> assume you have a table thusly defined:
>
> Table Name: TEST
> col_1 number
> col_2 varchar2(200)
>
> And now a procedure defined thusly:
>
> create or replace procedure blah_blah
> ( p_in_one test.col_2%type )
>
> Now, here is the question, how much memory will p_in_one have allocated to
> it within PL/SQL?? Is the answer:
>
> a. 200 bytes
> b. 2000 bytes
> c. 4000 bytes
> d. It will be defined based on the size of the data actually being passed
> into the parameter of the PL/SQL procedure
> e. None of the above.
>
> I'm currious what your answers will be... ;-)
>
> Robert G. Freeman - Oracle8i OCP
> Oracle DBA Technical Lead
> CSX Midtier Database Administration
>
> The Cigarette Smoking Man: Anyone who can appease a man's conscience can
> take his freedom away from him.
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
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> INET: Robert_Freeman_at_csx.com
>
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> Author: Mercadante, Thomas F
> INET: Thomas.Mercadante_at_Labor.State.Ny.Us
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> Author: Boivin, Patrice J
> INET: BoivinP_at_mar.dfo-mpo.gc.ca
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> Author: Mercadante, Thomas F
> INET: Thomas.Mercadante_at_Labor.State.Ny.Us
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Received on Wed Mar 06 2002 - 11:18:27 CST
