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by: Lannsjo |
last post by:
I need to change my primary key column type from smallint to int.
I have tried:
ALTER TABLE livegroup MODIFY id INT UNSIGNED NOT NULL AUTO_INCREMENT;
But get an error message certainly since my id-column is primary key
and references other tables as well.
How can I come around this problem?
Need help
/Martin
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by: Heist |
last post by:
Hi, I just want to know to turn this:
CREATE TABLE . (
NOT NULL ,
(50) COLLATE French_CI_AS NULL ,
NOT NULL ,
(50) COLLATE French_CI_AS NOT NULL ,
NULL ,
NULL
) ON
into this:
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by: Bruce |
last post by:
Hi,
I want to change the datatype of an existing column from char to
varbinary. When I run the "Alter Table" statement, I get the
following error message -
Disallowed implicit conversion from data type char to data type
varbinary, table 'test.dbo.testalter', column 'col1'. Use the CONVERT
function to run this query.
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by: me |
last post by:
I would like to add an Identity to an existing column in a table using a
stored procedure then add records to the table and then remove the identity
after the records have been added or something similar.
here is a rough idea of what the stored procedure should do. (I do not know
the syntax to accomplish this can anyone help or explain this?...
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by: Danny |
last post by:
I'm trying to simply change a column definition from Null to Not Null. It's
a multi million row table. I've already checked to make sure there are no
nulls for any rows and a default has been created for the column. My log is
set to autogrow and as the alter column colname char(6) Not Null runs the
log begins to grow. If I use no check BOL...
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by: Prince Kumar |
last post by:
Is there any way I can define an Unique constraint or unique index
which allows more than one null values for the same column combination
in DB2?
ie, If my index is defined on (col3, col4) where both columns allow
nulls, I want col3 + col4 to be unique, if one or both the columns
have values. If both columns have nulls, it should allow more...
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by: Rajesh Kumar Mallah |
last post by:
Hi,
Looks like alter table does not tells about the indexes it dropped
PG version: 7.4.3
Regds
mallah.
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by: RamaKrishna Narla |
last post by:
In MS SQL Server, I have the following tables with some data in it.
create table table1 (
column1 varchar(32),
column2 int not null,
column10 varchar(255),
.....
primary key (column1, column2),
);
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by: Serge Rielau |
last post by:
Hi all,
Following Ian's passionate postings on problems with ALTOBJ and the
alter table wizard in the control center I'll try to explain how to use
ALTOBJ with this thread. I'm not going to get into the GUI because it is
hard to describe in text.
First of all what is the purpose of ALTOBJ()?
This procedure was created mostly for ISVs who...
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by: siujean |
last post by:
As captioned question, i would like to how to alter the column from
null to not null?
Thanks
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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, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main...
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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 effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language...
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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 tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that...
|
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 Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For...
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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, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then...
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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 presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes...
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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 then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert...
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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 last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in...
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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