by: Marcus |
last post by:
Hello, quick question about MySQL storing NULL values...
Say I have a textbox called $_POST and a variable $var.
if(empty($_POST))
$var = NULL;
else
$var = $_POST;
Disregarding...
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by: Agoston Bejo |
last post by:
I want to enforce such a constraint on a column that would ensure that the
values be all unique, but this wouldn't apply to NULL values. (I.e. there
may be more than one NULL value in the column.)...
|
by: D Witherspoon |
last post by:
What is the accepted method of creating a data class or business rules
object class with properties that will allow the returning of null values?
For example... I have a class named CResults with...
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by: manning_news |
last post by:
Using SQL2000. According to Books Online, the avg aggregrate function
ignores null values. ((3+3+3+3+Null)/5) predictably returns Null. Is
there a function to ignore the Null entry, adjust the...
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by: Tino Wildenhain |
last post by:
Hi,
SELECT 'abc'::text || 'def'::text;
returns 'abcdef' as we know.
SELECT 'abc'::text || ''::text;
returns 'abc'
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by: JOEP |
last post by:
What do I need to do to allow an append query to post null values to
records in a field of the destination table? Basically I want to allow
records with null values to post to the table. The append...
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by: Rico |
last post by:
Hello,
I have a foreign key constraint between two tables (Appointments and
MissedAppointmentReasons) and I'd like to allow null values in Appointments
table for the field containing the...
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by: gp |
last post by:
I am and have been using PDO for about a year now...and have finally
gotten around to solving the "DB NULL value" issues I ran into early
on...
I am looking for suggestions and techniques to...
|
by: Toby Gallier |
last post by:
Hello!
I have a form that is calculating averages as follows:
" =(NZ()+Nz()+Nz())/3 "
However I need to now adjust for null values , so for example if
value2 is null I would then need to...
|
by: =?Utf-8?B?R3JlZw==?= |
last post by:
I have the following three files.
1. Users.aspx is a webpage that uses the <asp:ObjectDataSourcecontrol to
populate a simple <asp:ListBoxcontrol.
2. The UserDetails.cs file creates a Namespace...
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by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
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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: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
|
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: 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...
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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: 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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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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