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RE: Re[2]: What Sort of Privilege?

From: Ron Thomas <RThomas_at_hypercom.com>
Date: Tue, 24 Aug 2004 10:46:21 -0700
Message-ID: <OF744530CC.653113E2-ON07256EFA.00613346-07256EFA.00620A8C@hypercom.com> 






Nope.  Quite the opposite.  Long, long time ago, products that were installed shared were installed
in a common schema.  Now-a-days (11i), all products are installed (used or not), each in their own
separata schema.  Over 200 and counting at this point.  And of course, each schema has its own data
and index tablespaces...  the APPS schema only holds views, packages, and synonyms to the underlying
tables in the other schemas.  APPS has 99,000 (!) objects at this point and still growing.



It's quite a beast.


Thanks,


Ron.



"To really screw up Linux you have to work at it...To really screw up Windows, you have to work ON
it."


"The software said to install Windows 98 or better... So I installed linux."
"Windows - How do you want to be exploited today?"



                                                                                                    
             cary.millsap_at_hotsos.com                                                                
             Sent by:                                                                               
             oracle-l-bounce_at_freelists.o                                                         To 
             rg                                  oracle-l_at_freelists.org                             
                                                                                                 cc 
                                                                                                    
             08/24/04 07:35 AM                                                              Subject 
                                                 RE: Re[2]: What Sort of Privilege?                 
                                                                                                    
                  Please respond to                                                                 
               oracle-l_at_freelists.org                                                               
                                                                                                    
                                                                                                    
                                                                                                    








Aren't the new Oracle E-Business applications moving to a
single-schema-for-everything model?




Cary Millsap


Hotsos Enterprises, Ltd.


http://www.hotsos.com


* Nullius in verba *



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-----Original Message-----


From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org]
On Behalf Of Goulet, Dick


Sent: Tuesday, August 24, 2004 8:50 AM


To: oracle-l_at_freelists.org


Subject: RE: Re[2]: What Sort of Privilege?



On this issue it would appear so!!  ;-)



Dick Goulet


Senior Oracle DBA


Oracle Certified 8i DBA



-----Original Message-----


From: Mercadante, Thomas F [mailto:thomas.mercadante_at_labor.state.ny.us]
Sent: Tuesday, August 24, 2004 9:16 AM


To: 'oracle-l_at_freelists.org'


Subject: RE: Re[2]: What Sort of Privilege?




Dick,



Am I 100% wrong?  :)



Tom Mercadante


Oracle Certified Professional




-----Original Message-----


From: Goulet, Dick [mailto:DGoulet_at_vicr.com]=20
Sent: Tuesday, August 24, 2004 9:12 AM


To: oracle-l_at_freelists.org


Subject: RE: Re[2]: What Sort of Privilege?




Tom,



             Sorry, but you are wrong.  I prefer the many schema method as well.



Dick Goulet


Senior Oracle DBA


Oracle Certified 8i DBA



-----Original Message-----


From: Mercadante, Thomas F [mailto:thomas.mercadante_at_labor.state.ny.us]
Sent: Tuesday, August 24, 2004 8:21 AM


To: 'oracle-l_at_freelists.org'


Subject: RE: Re[2]: What Sort of Privilege?




Jo,



Well,  The Oracle Apps applications have many schema's - much like what =


=3D



you described. I'm guessing that the majority of home-grown applications
have only one schema for all of the tables.  I could be wrong.  In my =
view,


it is =3D easier to manage.  Everything is in one place.  It prevents =
you from


creating =3D two database objects with the same name.  Managing security =
is


easier - =3D again, you can issue all your grants from one schema, =
rather than


needing to =3D keep re-logging in.



Maybe it's just me!



Tom Mercadante


Oracle Certified Professional




-----Original Message-----


From: jo_holvoet_at_amis.com [mailto:jo_holvoet_at_amis.com]=3D20
Sent: Tuesday, August 24, 2004 8:13 AM


To: oracle-l_at_freelists.org


Cc: 'oracle-l_at_freelists.org'; oracle-l-bounce_at_freelists.org
Subject: RE: Re[2]: What Sort of Privilege?




Hi Tom,



we (well, it was in place before I got here, but anyway) basically =
have=3D20


one schema per application. We also have one schema which houses =3D
"common"=3D20 data, i.e. data used in many different places/apps; e.g.
employees,=3D20 customers, products, plants, .... So we have many =
cross-schema


FKs to =3D the=3D20 "common" data but outside that everything is pretty =
well


partitioned.=3D20 Maybe that's why I've never really had any problems =
with it.



Is having what is basically a one-schema database common practice ?



mvg/regards



Jo








"Mercadante, Thomas F" <thomas.mercadante_at_labor.state.ny.us>
Sent by: oracle-l-bounce_at_freelists.org


08/24/2004 14:03


Please respond to oracle-l



=3D20


        To:     "'oracle-l_at_freelists.org'" <oracle-l_at_freelists.org>
        cc:=3D20
        Subject:        RE: Re[2]: What Sort of Privilege?






Jo,



I guess I should clarify.



If you made a consious decision to maintain multiple schema's within =3D =
your


database, then it is your choice.



I prefer one schema holding all of the database tables that make up the
corporate-wide application.



Tom Mercadante


Oracle Certified Professional




-----Original Message-----


From: jo_holvoet_at_amis.com [mailto:jo_holvoet_at_amis.com]=3D20
Sent: Tuesday, August 24, 2004 7:58 AM


To: oracle-l_at_freelists.org


Cc: 'oracle-l_at_freelists.org'; oracle-l-bounce_at_freelists.org
Subject: RE: Re[2]: What Sort of Privilege?




Not sure about that. We have for example an employee table that is=3D20
referenced just about everywhere (e.g. which salesperson is =
responsible=3D20


for this customer, which employee registered for this training =
course,=3D20


which operator filed this incident report, ...). These are all different =


=3D




apps/schemas referencing this table so I don't see how we can avoid=3D20
cross-schema FKs.



mvg/regards



Jo








"Mercadante, Thomas F" <thomas.mercadante_at_labor.state.ny.us>
Sent by: oracle-l-bounce_at_freelists.org


08/24/2004 13:49


Please respond to oracle-l



=3D20


        To:     "'oracle-l_at_freelists.org'" <oracle-l_at_freelists.org>
        cc:=3D20
        Subject:        RE: Re[2]: What Sort of Privilege?






Peter,



I totally agree with you.  Allowing Fk references from outside of =
the=3D20


schema is inviting confusion, duplication and disaster.  There is really =
no


=3D good reason for it.




Tom Mercadante


Oracle Certified Professional




-----Original Message-----


From: Peter Robson [mailto:pgro_at_bgs.ac.uk]=3D20
Sent: Tuesday, August 24, 2004 4:57 AM


To: Jackie Brock


Cc: oracle-l_at_freelists.org


Subject: Re[2]: What Sort of Privilege?




Whoa there everybody!



While the answer is quite correct, of course (I read the FM years =
ago),=3D20


what has not been raised is the danger of allowing reference to multiply
unhindered across numerous schemas.



Be very careful if you choose to do this, otherwise, without a =
little=3D20


care, you may manage to lock your entire database solid with conflicting
FKs!



We did, learned our lesson, and now reference is ONLY permitted within =


=3D the



one corporate schema.




peter


edinburgh


..............




JB> references




JB> All,



JB> what kind of privilege new for creating a FK constraint which=3D20=20
JB> reference table belongs to another schema.


JB> ALTER TABLE PAM.table1
JB>  ADD CONSTRAINT FKCONS1
JB>  FOREIGN KEY (ID)
JB>  REFERENCES schema1.table2 (ID2);





JB> I have grant select,insert,update,delete for table2 BUT still I=20
JB> get=3D20 insufficient privilege. any idea?




JB> Hamid Alavi




--=3D20


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Received on Tue Aug 24 2004 - 12:46:39 CDT












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