by: Murali |
last post by:
Hi All
I was reading thro the posting(s) of Thomas Kyte and his nifty
approach to doing updates without the need for unnecessary correlated
subqueries. An alternative to correlated subquery...
|
by: Jason |
last post by:
Hello All,
I have a SQL Query with multiple correlated Subqueries in it. When it
gets executed it runs rather slow due to the size of the QT table.
Does anybody have any suggestions how to alter...
|
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...
|
by: Mike MacSween |
last post by:
tblProductions one to many to tblEvents
tblEvents contains StartDate
I want a report where the data are grouped by tblProductions.ProdID, and
sorted by the earliest date in each Production.
...
|
by: mike |
last post by:
I'm using postgresl 7.3.2 and have a query that executes very slowly.
There are 2 tables: Item and LogEvent. ItemID (an int4) is the primary key
of Item, and is also a field in LogEvent. Some...
|
by: Howard, Steven |
last post by:
I have created a web app that stores and displays all the messages from
my database maintenance jobs that run each night. The web app uses Java
servlets and has PostgreSQL 7.0 as the back end.
...
|
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...
|
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"...
|
by: muzu1232004 |
last post by:
Can anyone explain me when we use correlated subqueries rather than nested subqueries.
Do all the correlated subqueries can be written in nested subqueries form as well ?
What are the major...
|
by: CloudSolutions |
last post by:
Introduction:
For many beginners and individual users, requiring a credit card and email registration may pose a barrier when starting to use cloud servers. However, some cloud server providers now...
|
by: Faith0G |
last post by:
I am starting a new it consulting business and it's been a while since I setup a new website. Is wordpress still the best web based software for hosting a 5 page website? The webpages will be...
|
by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 3 Apr 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 former...
|
by: ryjfgjl |
last post by:
In our work, we often need to import Excel data into databases (such as MySQL, SQL Server, Oracle) for data analysis and processing. Usually, we use database tools like Navicat or the Excel import...
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by: taylorcarr |
last post by:
A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...
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by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
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by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
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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
|
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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