We have a new CRM application that uses a DB2 7.2 database.
Our users noted that the CRM application would not allow them to attach and
store any documents over 2 meg in size. When asked, the vendor claims that
this behavior is a limit of the DB2 system. We asked the vendor how we might
get around this issue since most of our user's documents are over the 2 meg
limit. The vendor said that by removing logging from the blob fields the 2
meg limit on documents would go away.
Is this true?
We are now wondering, if logging is not being done on the blob fields, and
we have a problem where we need to do a restore and roll-forward, will the
data (documents) stored in the blob fields be lost?
Is this true?
Our users store data in MS Word format, PDF format, TIF format, Power Point
format and many other types typically associated with customers and the
marketing function.
Any insight into this situation would be greatly appreciated.
Thanks,
John 7 5093
"johnm" <jo***@matrixsg.com> wrote in message
news:11*************@corp.supernews.com... We have a new CRM application that uses a DB2 7.2 database.
Our users noted that the CRM application would not allow them to attach
and store any documents over 2 meg in size. When asked, the vendor claims that this behavior is a limit of the DB2 system. We asked the vendor how we
might get around this issue since most of our user's documents are over the 2
meg limit. The vendor said that by removing logging from the blob fields the 2 meg limit on documents would go away.
Is this true?
We are now wondering, if logging is not being done on the blob fields, and we have a problem where we need to do a restore and roll-forward, will the data (documents) stored in the blob fields be lost?
Is this true?
Our users store data in MS Word format, PDF format, TIF format, Power
Point format and many other types typically associated with customers and the marketing function.
Any insight into this situation would be greatly appreciated.
Thanks,
John
In DB2 LUW 8.2, logging of LOB columns is the default, but it can be
disabled for a particular column when the table is created. However, the
maximum size LOB than can be logged is 1 GB. I don't recall if the limit is
different for previous versions of DB2. If you have an previous version of
DB2 than is current, check the SQL manual for Create Table.
Keep in mind that such applications are usually written to work on multiple
databases, and there may a different restriction on a different database.
Mark A wrote: In DB2 LUW 8.2, logging of LOB columns is the default, but it can be disabled for a particular column when the table is created. However, the maximum size LOB than can be logged is 1 GB. I don't recall if the limit is different for previous versions of DB2. If you have an previous version of DB2 than is current, check the SQL manual for Create Table.
In addition, LOBs can have a maximum size of 2GB in DB2 UDB.
--
Knut Stolze
Information Integration
IBM Germany / University of Jena
Thank you both for the most valuable information. It is very helpful to me
when talking to the CRM application vendor.
Is it true that if the logging is disabled for a particular LOB column, all
of the objects in that LOB will be lost should a backup need to be resotred
to recover the database?
Thanks,
John
"Knut Stolze" <st****@de.ibm.com> wrote in message
news:d3**********@fsuj29.rz.uni-jena.de... Mark A wrote:
In DB2 LUW 8.2, logging of LOB columns is the default, but it can be disabled for a particular column when the table is created. However, the maximum size LOB than can be logged is 1 GB. I don't recall if the limit is different for previous versions of DB2. If you have an previous
version of DB2 than is current, check the SQL manual for Create Table.
In addition, LOBs can have a maximum size of 2GB in DB2 UDB.
-- Knut Stolze Information Integration IBM Germany / University of Jena
You will lose the LOB column only if you restore from online backup.
You will not while restoring from offline backup.
You will lose the LOB column only if you restore from online backup
(with logging off). You will not while restoring from offline backup.
Thanks for the information.
You have been most helpful and I appreciate it!
John
"Visu" <Vi*******@gmail.com> wrote in message
news:11*********************@g14g2000cwa.googlegro ups.com... You will lose the LOB column only if you restore from online backup (with logging off). You will not while restoring from offline backup.
Thanks so much for the help!
You have provided some very valuable information.
Thanks,
John
"Visu" <Vi*******@gmail.com> wrote in message
news:11*********************@g14g2000cwa.googlegro ups.com... You will lose the LOB column only if you restore from online backup (with logging off). You will not while restoring from offline backup. This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
by: John |
last post by:
I have over 5000 thumbnail pictures of size 5kb each. I would like to
able to load all 5000 pictures and view 50 per page using
mysql_data_seek(). I would like to know what are the advantages and...
|
by: Pierre-Benoit |
last post by:
Hi there,
I've a strange problem with ado.net and an Access db. I need to create
a little C# app that take the content of "ole object" field and then
save it into a file.
The problem is that...
|
by: CSN |
last post by:
Is it possible to iterate over an array in plpgsql?
Something like:
function insert_stuff (rel_ids int)
....
foreach rel_ids as id
insert into table (rel_id, val)
values (id, 5);
|
by: Chris Fink |
last post by:
I have setup an Oracle table which contains a blob field. How do I insert
data into this field using C# and ADO.net?
|
by: pmz |
last post by:
Dear Group,
I'm connecting in C# with remote (BSD) MySQL server with ODBC Driver,
and I'm trying to find the best sollution in such problem:
As I've read on MySQL manual, they have suggested...
|
by: deepgun74 |
last post by:
I have a blob column that is 4MB in length. I need to change it to
store a 3GIG binary.
1) What is the maximum size a BLOB column can support?
2) How do i alter the size of an existing BLOB...
|
by: aaggarwal |
last post by:
Hi All,
I'm working on DB2 UDB 8.2 with Fixpack 10 on Windows 2000 Server.
The problem I'm facing is that I have created a table having BLOB type
column with NOT LOGGED option. (see script...
|
by: Big George |
last post by:
Hello,
I'm trying to save a jpg file of 300KB as a BLOB field in an Oracle
10g Database.
If I try to call a Stored Procedure, it fails.
If I use CommandText with SQL sentence, it success.
I...
|
by: Connie |
last post by:
I have a column in my table that is an Image (blob). The data stored
in this blob is basically pdf files. I need a query to determine the
total size of these blob's in the database. Here is what...
|
by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
|
by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
|
by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
|
by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
|
by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
|
by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
|
by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...
|
by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new...
| |