by: william |
last post by:
Hi
Whwn I select from database using ADO.NET, if the data is null value in database, how should I handle it
(string, integer, boolean type field)
Thank
willia
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by: richard |
last post by:
Hi,
I have a Schema for a Dataset which I am populating from Excel.
One of the columns is a string datatype. When I Fill the Dataset I want any
Null values to be set to a string value.
I have...
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by: Pekka Henttonen |
last post by:
For some reason SQL0407N error messages never reveal the name of the column
to which a NULL value has been assigned. Here is an example:
SQL0407N Assignment of a NULL value to a NOT NULL column...
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by: Przemo |
last post by:
Hi,
Imagine that we have a database and one table. Stored procedure returns 3
columns of table: ID, name, value.
Name and value can be a null in database. How to map or represent such
values in...
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by: TC |
last post by:
What does it mean for an integer to have a null value? I am trying to use
the DataView.Find method. That method has an integer return type which
contains the "index of the row in the DataView...
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by: Martin R |
last post by:
Hi,
How to find first not null value in column whitout chacking whole table
(if there is a not null value then show me it and stop searching, the
table is quite big)?
thx,
Martin
*** Sent...
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by: BF |
last post by:
Hi,
I have some tables where I import data in, lots of field have gotten a
NULL value which the application can not handle.
Now can I replace each NULL value with '' in a columns with:
update...
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by: Eric Layman |
last post by:
Hi everyone,
Im puzzled by a NULL behaviour in SQL 2000 server.
There is a column in the table that does not allow NULL.
During data mining, the staff noted that, for that particular column,...
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by: prabirchoudhury |
last post by:
CRITERIA;
+-------------+--------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------------+--------------+------+-----+---------+-------+...
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by: justice750 |
last post by:
Hi All,
I am using a FormView control. The allows me to update records in the database. However, when a database field is null I can not update the field on the form. It works fine when the field...
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by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
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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: 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...
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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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