by: hemal |
last post by:
I came across a very strange situation at work. There is an order of
magnitude difference in execution time for the following two queries
(10 v/s ~130 msec):
select count(*) from table_name...
|
by: Jason Callas |
last post by:
I was doing starting some experimenting with the GC and ran into the following odd result. I created an object and my used memory went up by almost 11k but when I cleared it and forced a collection...
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by: Peter Arrenbrecht |
last post by:
Hi all
We ran into a very annoying optimizer problem recently. We had added a
new key and self-join relation to a large production table. That key
will be filled very rarely and having just...
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by: Andrea |
last post by:
Hi,
I've read the former postings but was not able to solve my problem:
I have a Summary Table (or MQT as you like it) and the query optimizer
does not seem to use the summary table.
I run...
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by: p175 |
last post by:
Hi folks,
I'm after some guidelines on general memory allocations for DB2 8.2.2
ESE on Win2k Server FP4 with 4gb physical memory.
Seeing as everything is 32bit and win2k server does not...
|
by: Sean Shanny |
last post by:
To all,
Running into an out of memory error on our data warehouse server. This
occurs only with our data from the 'September' section of a large fact
table. The exact same query running over...
|
by: oswald.kluge |
last post by:
Dear Reader,
what efficient ways are there to OR two large memory regions?
I'm especially interested in applying this operation to two large
character arrays. I know memset and memcopy lets...
|
by: masri999 |
last post by:
Hello,
I need a clarification on the mechanism of sql server fetches records
to memory (buffer)
Example: A Table ( Table1 ) having 10 Columns
(column1,column2,column3,column4 etc)
When...
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by: MajorSetback |
last post by:
I am using the Redhat version of Linux and GNU C++.
It is not clear to me whether this is a Linux issue or a C++ issue. I
do not have this problem running the same program on Windows but...
|
by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
|
by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
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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...
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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,...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
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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,...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
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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...
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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,...
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