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IDS Forum

Re: informix 11.70 growth edition features

Posted By: Marcus Haarmann
Date: Monday, 1 July 2013, at 8:43 a.m.

In Response To: Re: informix 11.70 growth edition features (Khaled Bentebal)

Upps, that would mean a Growth/Workgroup edition
could not be part of a XA distributed transaction including other
databases on different sites (not necessarily Informix, whatever edition) ?

I was thinking that would be only an I-Star function in case
the IDS engine itself was the controller of the global transaction,
which is established between servers, but initiated by a distributed statement
from a client connection to first server.
A statement like
insert into remote_db@remote_instance:remote_table ...
would necessarily start an internal distributed transaction, initiated from the primary server.
This is clearly an I-Star functionality.

A XA connection only opens up a global transaction, involving possibly many servers, but
having a single connection to each of the servers, transaction controlled by an external
transaction manager. I-Star has nothing to do in this case. The management of global transactions
is not restricted from my point of view. There is not a hint in any documentation.

You are right, IBM has to give a better explanation of the restrictions. Well, in the feature comparison list,
they restrict this to DML, which would not include just queries from remote sites (no matter if on same hardware
or really remote), but it is not clear.

Marcus Haarmann

----- Ursprüngliche Mail -----

Von: "Khaled Bentebal" <khaled.bentebal@consult-ix.fr>
An: ids@iiug.org
Gesendet: Montag, 1. Juli 2013 13:56:24
Betreff: Re: informix 11.70 growth edition features [30724]

HI All,

There are several things to look at.

There is a difference between*Distributed Database* and *Distributed
Processing*; this latter is sometimes called Distributed operations.

A *distributed database system* consists of a collection of sites,
connected together via some kind of communication network, in which:

a. Each site is a full database system site in its own right.

b. The sites have agreed to work together so that a user at
any site can access data anywhere in the network exactly as if the data
were all stored at the user's own site.

Informix has 2 concepts: an Instance and a Database. An instance is
located totally on a server whether it is physical ot virtual (VMWARE
for example). A Database (for Informix of course) is a set of objects
(tables, indexes, etc) and is a subset of an instance that can itself
have several databases.

A database in a fonctional sens can span several servers. This cannot be
done in Informix except if you use synonyms. Actually the synonym can
point to an external table in a another database located in another
instance on another server if we want to.

Here is the definition of ISTAR as it was defined a little while ago; is
it still the right definition, IBM has to clarify this in a precise manner:

*The networking software you need on your server machine. Provides
distributed database capabilities including multisite joins and
multisite updates with transparent two-phase commit recovery. *

That means that you can:
- have joins between tables in different sites
- have two-phase commits ( single transaction containing UPDATEs ,
DELETEs or INSERTS to differents databases on different instances:
coordinator and participants)

So according to this definition, if you join different tables in a
single query or you take advantage of a global transaction based on a
two-phase commit, you are using ISTAR. Plus it has to be on different
sites.

Si if you query a table stored on on a different instance on a different
site, it is a client/server setup not ISTAR. So one instance is
considered the client and the other the server.

To me having a *Distributed Database* across different sites whether
they are physical or virtual sites should not a breach of contract of
the Workgroup Licence . It is the *Distributed Processing* that is not
part of the Workgroup Edition (Growth Edition).

The question is : is a distributed operation between 2 instances on a
single server considered ISTAR? According to the ISTAR definition (see
higher) , it is NOT.

What if you use *synonyms* that point to other tables located in other
databases and other instances, should this be considered a breach of
contract of the licence authorized functions. Well, the system resolves
the synonyms to the real access path, but if you look at the way you
write the syntax, it does not look like you are accessing an external
table located in another database on another instance.

_*Again, this is a very grey area that needs to be clarified.*_

Plus, I agree with Paul, a lot of customers use INSERT ... SELECT...
accross databases on different instances. !!!!!!!!!!!!!!

Please find below the software licences contents:

----------------------------------------------------------------------------------------------------------
The software licenses are as follows:

Growth Edition V11.50

<http://www-03.ibm.com/software/sla/sladb.nsf/lilookup/0772187897FA060C8525772D0082BF24?opendocument&li_select=AB6AE3770248CF238525772D0082BF06>
Growth Edition V11.70

<http://www-03.ibm.com/software/sla/sladb.nsf/lilookup/461F2F1336373573852577B900760678?opendocument&li_select=1947B9B1AC94F35E852577B900760663>
Workgroup Edition V12.10

<http://www-03.ibm.com/software/sla/sladb.nsf/lilookup/C0FBB06E64111A1E85257B39006E4FF8?opendocument&li_select=EF615619D42527C885257B39006E4FF5>

Though the actual text varies, the terms are roughly the same. For
example, the text in the V11.50 license says:

*2.5) Under a license to the Informix Growth Edition Program, Licensee
is not entitled to use any of the following functions:*

2.5.1 - DBSpace Prioritization during backup/restore

2.5.2 - Recovery Time Objective Policy

2.5.3 - Private Memory Cache for VP

2.5.4 - Direct I/O for Cooked Files

*2.5.5 - I-STAR*

2.5.6 - Parallel query

2.5.7 - High Performance Loader

2.5.8 - Parallel index build

2.5.9 - Parallel backup/restore

2.5.10 - Table/Index/DBSpace partitioning

2.5.11 - Column level encryption

2.5.12 -- Compression (e.g., the Storage Optimization Feature)

----------------------------------------------------------------------------------------------------------

Cordialement, Regards,

Khaled Bentebal
Directeur Général - ConsultiX
Président UGIF - User Group Informix France
IIUG - Board of Directors
Tél: 33 (0) 1 39 12 18 00
Fax: 33 (0) 1 39 12 18 18
Mobile: 33 (0) 6 07 78 41 97
Email: khaled.bentebal@consult-ix.fr
Site Web: www.consult-ix.fr

Le 28/06/13 19:18, Carlton Doe a écrit :
> Illegal.
>
> A distributed operation is one that occurs between two or more instances.
They
> can be on the same or different physical / virtual servers. Inter-database
> operations (operations between two or more databases) within the same
instance
> is NOT a distributed operation.
>
> Carlton
>
> -------------------------------------------------
> Carlton Doe
> Flower Mound, TX
>
> No trees were killed in the transmission of this email, however a large
number
> of electrons were temporarily inconvenienced.
>
> On Jun 28, 2013, at 11:45 AM, "Paul Watson"<paul@oninit.com> wrote:
>
>> So is the following statement legal or illegal in Workgroup
>>
>> Database db@test;
>>
>> Insert into mytab
>>
>> Select * from db@production:mytab
>>
>> I do not know of a single site that doesn't use that type of SQL from time
>> to time
>>
>> Cheers
>> Paul
>>
>> -----Original Message-----
>> From: ids-bounces@iiug.org [mailto:ids-bounces@iiug.org] On Behalf Of
>> Carlton Doe
>> Sent: Friday, June 28, 2013 11:16 AM
>> To: ids@iiug.org
>> Subject: Re: informix 11.70 growth edition features [30705]
>>
>> This restriction also makes sense from a product positioning =
>> perspective. Workgroup Edition, as the name implies, is for environments =
>> with smaller data processing requirements. While logically you can think =
>> of it as an isolated processing environment within a larger enterprise, =
>> I can certainly see some small businesses using it for the entire =
>> processing needs.
>>
>> Workgroup Edition has reduced functionality to meet these types of =
>> reduced requirement workloads *and* to drive price differentiation from =
>> Enterprise Edition. If a data processing environment requires sharing =
>> data between instances through distributed operations, this is an =
>> enterprise-wide environment and should utilize the Enterprise Edition =
>> with all its expanded functionality and scalability.
>>
>> Carlton
>>
>> -------------------------------------------------
>> Carlton Doe
>> Flower Mound, TX
>>
>> No trees were killed in the transmission of this email, however a large =
>> number of electrons were temporarily inconvenienced.=20
>>
>> On Jun 28, 2013, at 10:54 AM, John Miller iii<miller3@us.ibm.com> =
>> wrote:
>>
>>> The "no longer" has me very confused as "I-Star/distributed=20
>>> operations/distributed SQL/accessing data on different computers" has=20=
>>> always been limited in workgroup, growth and other non-enterprises=20
>>> editions. I have just double checked the 11.50/11.70/12.10 and they =
>> all=3D=20
>>> =20
>>> have this restriction in the license as I believe earlier version of =
>> th=3D=20
>>> e=20
>>> non-enterprise product do.=20
>>> =20
>>> John F. Miller III=20
>>> STSM, Lead Architect=20
>>> miller3@us.ibm.com=20
>>> 503-747-1366=20
>>> IBM Informix Dynamic Server (IDS)=20
>>> =20
>>> ids-bounces@iiug.org wrote on 06/28/2013 07:45:56 AM:=20
>>> =20
>>>> From: "Paul Watson"<paul@oninit.com>=20
>>>> To: ids@iiug.org,=20
>>>> Date: 06/28/2013 07:47 AM=20
>>>> Subject: RE: informix 11.70 growth edition features [30702]=20
>>>> Sent by: ids-bounces@iiug.org=20
>>>> =20
>>>> I suspect most companies can no longer use the growth/workgroup =
>> editi=3D=20
>>> on=20
>>> due=20
>>>> to this limitation=20
>>>> =20
>>>> Cheers=20
>>>> Paul=20
>>>> =20
>>>> -----Original Message-----=20
>>>> From: ids-bounces@iiug.org [mailto:ids-bounces@iiug.org] On Behalf =
>> Of=3D=20
>>> =20
>>> Erik=20
>>>> Stahlhut=20
>>>> Sent: Friday, June 28, 2013 8:51 AM=20
>>>> To: ids@iiug.org=20
>>>> Subject: Re: informix 11.70 growth edition features [30698]=20
>>>> =20
>>>> Hi Marcus,=20
>>>> =20
>>>> the limitation of distributed query was already prohibited in 11.70.=20=
>>>> Have a look in the license text: http://goo.gl/ymnGK=20
>>>> =20
>>>> Cheers=20
>>>> Erik=20
>>>> =20
>>>> 2013/6/28 Marcus Haarmann<marcus.haarmann@midoco.de>=20
>>>> =20
>>>>> Hi,=20
>>>>> =20
>>>>> just to make sure: He is using 11.70 version GE.=20
>>>>> In 11.70 Release, distributed query was not restricted for growth=20
>>> edition.=20
>>>> =20
>>>>> this is a new=20
>>>>> limitation that came with 12.x release.=20
>>>>> Does this modify the allowed features in a current 11.70 setup ? I=20=
>>> don't=20
>>>>> think=20
>>>>> so.=20
>>>>> I would say this is only effective if you upgrade to 12.x, correct =3D=
>> =20
>>> ?=20
>>>>> Same for the restrictions of Innovator Edition, which was limited i=3D=
>> =20
>>> n=20
>>> disk=20
>>>>> space=20
>>>>> in 12.x release.=20
>>>>> =20
>>>>> Any clues on the correct answer ? What is the policy of IBM for the=3D=
>> =20
>>> se=20
>>>>> questions,=20
>>>>> not for new customers but for people using 11.50/11.70 etc. ?=20
>>>>> =20
>>>>> Best regards,=20
>>>>> =20
>>>>> Marcus Haarmann=20
>>>>> =20
>>>>> ----- Urspr=3DFCngliche Mail -----=20
>>>>> =20
>>>>> Von: "Alexandre Marini"<alexandre@briug.org>=20
>>>>> An: ids@iiug.org=20
>>>>> Gesendet: Freitag, 28. Juni 2013 13:24:10=20
>>>>> Betreff: RE: informix 11.70 growth edition features [30696]=20
>>>>> =20
>>>>> Hello.=20
>>>>> The previous Growth Edition is now called Workgroup Edition.=20
>>>>> According to the official doc:=20
>>>>> http://www.ibm.com/developerworks/data/library/techarticle/dm-0801d=3D=
>> =20
>>> oe/=20
>>>>> =20
>>>>> You might see that parallel operations, partitioning, and distribut=3D=
>> =20
>>> ed=20
>>> SQL=20
>>>>> operations are not allowed.=20
>>>>> =20
>>>>> Regards.=20
>>>>> =20
>>>>> Alexandre Marini=20
>>>>> IBM Informix Certified Professional v10 / v11.50 / v11.70=20
>>>>> =20
>>>>> IBM Information Management Informix Technical Professional=20
>>>>> =20
>>>>> IBM Infosphere DataStage Technical Professional=20
>>>>> Informix Senior DBA - Orizon Brasil=20
>>>>> BRIUG website administrator=20
>>>>> Informix independent consultant=20
>>>>> =20
>>>>>> To: ids@iiug.org=20
>>>>>> From: pushpa@cybersoft.lk=20
>>>>>> Subject: informix 11.70 growth edition features [30695]=20
>>>>>> Date: Fri, 28 Jun 2013 02:38:07 -0400=20
>>>>>> =20
>>>>>> Hi,=20
>>>>>> =20
>>>>>> i have installed informix 11.70 growth edition, is there any=20
>>> possibility=20
>>>> =20
>>>>> to=20
>>>>>> use the remote database query feature and fragment tables
>> feature=3D=20=
>>
>>> =20
>>> with=20
>>>>> this=20
>>>>>> version.=20
>>>>>> =20
>>>>>> Thanks=20
>>>>>> Pushpa=20
>>>>>> =20
>>>>>> =20
>>>>>> =20
>>>>> =20
>>>>> =20
>>>>> =20
>>>> =20
>>> =
>> ***********************************************************************=3D=
>> =20
>>> *****=20
>>> =20
>>>> ***=20
>>>>>> Forum Note: Use "Reply" to post a response in the discussion
>> foru=3D=20=
>>
>>> m.=20
>>>>>> =20
>>>>> =20
>>>>> =20
>>>>> =20
>>>>> =20
>>>> =20
>>> =
>> ***********************************************************************=3D=
>> =20
>>> *****=20
>>> =20
>>>> ***=20
>>>>> Forum Note: Use "Reply" to post a response in the discussion forum.=3D=
>> =20
>>> =20
>>>>> =20
>>>>> =20
>>>>> =20
>>>>> =20
>>>> =20
>>> =
>> ***********************************************************************=3D=
>> =20
>>> *****=20
>>> =20
>>>> ***=20
>>>>> Forum Note: Use "Reply" to post a response in the discussion forum.=3D=
>> =20
>>> =20
>>>>> =20
>>>>> =20
>>>> =20
>>>> --001a11c25daa61e99704e0372be6=20
>>>> =20
>>>> =20
>>> =
>> ***********************************************************************=3D=
>> =20
>>> *****=20
>>> =20
>>>> ***=20
>>>> Forum Note: Use "Reply" to post a response in the discussion forum.=20=
>>>> =20
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>>> =
>> ***********************************************************************=3D=
>> =20
>>> ********=20
>>> =20
>>>> Forum Note: Use "Reply" to post a response in the discussion
>> forum.=3D=20=
>>
>>> =20
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>>> =20
>>> =20
>>> =
>> **************************************************************************=
>> *****=20
>>> Forum Note: Use "Reply" to post a response in the discussion forum.=20=
>>> =20
>>
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>> ***
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