by: June Moore |
last post by:
Hi,
I would like to add a unique index that consists of two fields in a
table.
e.g. tbl_A (field1,field2) -- field1 & field2 Indexed and combination
must be Unique.
Can anyone tell me the...
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by: Kamil |
last post by:
Hello
What should I use for better perfomance since
unique constraint always use index ?
Thanks
Kamil
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by: Drew |
last post by:
I have a permission tracking app that I am working on, and I have made the
insert page for it. I am having issues on how to prevent duplicates from
getting entered.
Currently the interface for...
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by: aj |
last post by:
DB2 WSE 8.1 FP5
Red Hat AS 2.1
What is the difference between adding a unique constraint like:
ALTER TABLE <SCHEMA>.<TABLE> ADD CONSTRAINT CC1131378283225 UNIQUE (
<COL1>) ;
and adding a...
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by: Laurence |
last post by:
Hi there,
How to differentiate between unique constraint and unique index? These
are very similar but I cannot differentiate them?
Could someone give me a hand?
Thanks in advance
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by: vsgdp |
last post by:
I have a container of pointers. It is possible for two pointers to point to
the same element. I want to remove duplicates.
I am open to which container is best for this.
I thought of using...
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by: Phill W. |
last post by:
(VB'2003)
What's the correct way to remove multiple, selected items from a
ListView control (say, from a ContextMenu)?
I ask because I'm getting a very annoying ArgumentOutOfRangeException...
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by: vj_dba |
last post by:
Hi Group,
I have a Primary key in my table. It's clear Primary key wont allow
duplicates, this primary key creates one index for retrival. Suppose if
my table is having a Unique index also....
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by: Alvin SIU |
last post by:
Hi all,
I have a table in Db2 v8 like this:
Team Name Role
------ -------- ---------------------
A Superman Leader
A Batman Member
A WonderWoman Member
B ...
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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
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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: 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: 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: 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: 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: 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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