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by: Ken |
last post by:
Dear all,
I have a beginner of oracle and recently I have a prob with using
indexes. I have a table with 5 columns, with no primary key set in the
table. An index has created for column 1. I...
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by: jim_geissman |
last post by:
One table I manage has a clustered index, and it includes some
varchar columns. When it is initially created, all the columns
in the clustered index are populated, and then some of the longer...
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by: platho |
last post by:
Hello,
I bounced into the max 25 columns index limits on DB2 v7.2 on NT.
Is this still so in other operating systems or in v8 ? Are there plans to
change this in the future ? Any workarounds...
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by: Sean C. |
last post by:
Helpful folks,
Most of my previous experience with DB2 was on s390 mainframe systems
and the optimizer on this platform always seemed very predictable and
consistent. Since moving to a WinNT/UDB...
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by: usenet |
last post by:
Hi. If I have an index (or primary key) on 3 columns, will a subset of
these columns automatically be indexed also?
For example:
CREATE INDEX idx ON tbl(cola, colb, colc);
Will:
SELECT...
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by: Mike Wertheim |
last post by:
Hi,
I'm using PostgreSQL 8.
I have two tables that I am doing a join on, and the join executes very
slowly.
The table called Notification has a text field called NotificationID,
which is...
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by: Steph. |
last post by:
I have a List view displaying data in Detail mode with several columns.
How I can get the column index the user clicked on ? (when user click on an item inside the ListView, not on a column...
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by: vj_dba |
last post by:
Hi group,
I have a table say with 10000 records and 10 columns initially, I
created an index say i1, after few days I altered the table by adding
10 new columns and 90000 rows of records summing...
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by: db2admin |
last post by:
Hello,
What is the driving factor when making more columns indexable?
Should i see if i can modify existing indexes and merge new columns in
existing indexes or create a new index with new...
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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...
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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: 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: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 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 a new...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The...
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated ...
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