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by: Dylan Nicholson |
last post by:
Seems that Oracle 9.2 (using MS ODBC driver) requires extra
parentheses when adding multiple columns to a table:
ALTER TABLE MyTable ADD (MyColumn1 VARCHAR(255), MyColumn2
VARCHAR(255))
vs
ALTER TABLE MyTable ADD MyColumn1 VARCHAR(255), MyColumn2 VARCHAR(255)
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by: Richard Hollenbeck |
last post by:
I made a table this way:
mysql>create table tblCourses (courseCode char(30) primary key,
courseDescription char(50));
Now I realize that I forgot to enforce that both fields will not be null.
So I tried this:
mysql> alter table tblCourses (courseCode not null, courseDescription not
null);
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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: Brian Brane |
last post by:
I have properties that wrap DataRow columns as in:
public int aNumber
{ get{ return m_DataRow; }
set{ m_DataRow = value; } }
If the column happens to contain DBNull, I get a cast
exception since DBNull cannot be converted to int. I
wrote the following method that looks up the column's
data type and if it is a ValueType, returns the...
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by: bikkaran |
last post by:
hi ,
i have some simple doubt in DB2
1. can we disable or enable an INDEX.
2. can we drop a column from a table .
3. can we change the datatype of a column i.e say from varchar to
integer
Please help me update my knowledge.
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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: Jeff Kish |
last post by:
Hi.
I'm getting errors like this when I try to run an upgrade script I'm trying to
write/test:
altering labels to length 60
Server: Msg 5074, Level 16, State 4, Line 5
The object 'ALTPART_ANNOT_ANNOTID_FK' is dependent on column 'label'.
I used this to bracket my script:
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by: Tomba |
last post by:
I have a really annoying problem, which i tried solving for almost 3 days now. (I googled in any variation i could think of, but i couldn't find anything that will help my stupid me understand:\)
I'm trying to use a ALTER TABLE ALTER COULMN to change the datatype of a certain column in a table i'm importing by code from an .xls to my access...
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by: vijaialphonse |
last post by:
i have a table which has 3 columns, one of three is set to default value 0. Now i have to change data type of that particular column and its default value using sql query. am working with sql server 2005. am not getting any prob when i exec ALTER TABLE TABLE_NAME ADD COLUMN DATATYPE SIZE CONSTRAINT VALUE. but getting probs when exec
ALTER...
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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: 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, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it. ...
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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...
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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: 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: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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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 we have to send another system
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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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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating...
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