by: Kamil |
last post by:
Hello
What should I use for better perfomance since
unique constraint always use index ?
Thanks
Kamil
|
by: Gregory.Spencer |
last post by:
Hi there,
Using PHPMyAdmin and it is very usefully reporting problems with my
MySQL DB.
"PRIMARY and INDEX keys should not both be set for column
`column_name`"
and
|
by: Johann Uhrmann |
last post by:
Hello,
are there any experiences about the performance of indices
with different data types.
How do the performance of an index that consists of
- an integer field
- a varchar() field
- a...
|
by: Andr? Queiroz |
last post by:
Hi,
I have a table with 10M records and col A has a index created on it.
The data on that table has the same value for col A on all 10M
records. After that I insert diferent values for that column...
|
by: WalterR |
last post by:
This is my first time here, so there may be earlier relevant threads of
which I am unaware. Though my experience with DB2 is not extensive,
such as it is was under OS/390 or equ. My main...
|
by: Sam |
last post by:
Hi,
Here is my code :
For Each row As DataRow In ds.Tables(0).Rows
next
How can I get the index of the row being processed ?
Thx
|
by: bernhard.willems |
last post by:
We are using DB2 UDB version 8.1 fp7 & fp9 on AIX 5.2.
On our databases we do massive inserts and deletes (millions of rows).
The performance is dramatically reduced because of pseudo deleted keys....
|
by: ep4169 |
last post by:
I have to regularly import records into a table in the database that also contains records that were created internally. Those that are imported have an ImportRecordID column that I use to ensure...
|
by: Henry J. |
last post by:
I have a composite index on two columns in a table. However, the
index is not used in a query that restricts the 2nd column to a
constant. If both columns are linked with columns in other join...
|
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...
|
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: 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: 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...
|
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: 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...
|
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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