by: imani_technology_spam |
last post by:
We were trying to remove duplicates and came up with two solutions.
One solution is similar to the one found in a book called "Advanced
Transact-SQL for SQL Server 2000" by Ben-Gan & Moreau. This...
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by: Venkata C |
last post by:
Hi!
Does anyone here know of a way to goad DB2 into converting a correlated
subquery to a non-correlated one? Does DB2 ever do such a conversion?
We have a query of the form
SELECT .. FROM A...
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by: Mark Shelor |
last post by:
I've encountered a troublesome inconsistency in the C-language Perl
extension I've written for CPAN (Digest::SHA). The problem involves the
use of a static array within a performance-critical...
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by: Daniel Billingsley |
last post by:
In another online group in which I participate, we were discussing a
particular piece of code that had a pretty high risk for breaking in the
future (because it depended on something not changing...
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by: Kevin Murphy |
last post by:
I'm using PG 7.4.3 on Mac OS X.
I am disappointed with the performance of queries like 'select foo from
bar where baz in (subquery)', or updates like 'update bar set foo = 2
where baz in...
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by: sql_server_user |
last post by:
Hi,
I have a history table with about 400 million rows, with a unique
composite nonclustered index on two columns (object id and time period)
which is used for most of the queries into the...
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by: steven.fafel |
last post by:
I am running 2 versions of a correlated subquery. The two version
differ slightly in design but differ tremendously in performance....if
anyone can answer this, you would be awesome.
The "bad"...
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by: laurentc via AccessMonster.com |
last post by:
Hi.
I have an issue with my Access project.
I have rather big tables of data (about 11 000 rows).
These tables are historical product quotations, so they are very simple :
- MyDate...
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by: bharadwajrv |
last post by:
Hi...
i need to know which approach is good in-terms of performance while deleting the records from two tables...
Here is my table struct:
Master table (table1)...
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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
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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...
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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: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
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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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