In a system where Null is the same as "", you are not able to tell the difference between someone with no Middle Name, and someone who just hadn't told you his Middle Name. But when you are designing a database system, you often don't care if the middle name is blank because the...
FormatException: Input string was not in a correct format. c# - TCP/IP multiple client not multi threaded c# - Windows form background image slows down loading c# - Write to text file - appending new text ot the top of the file C# :Change the value between tags on string c# .mdf (...
Re: Difference Between NULL and Blank in SQL Shwetabh (shwetabhgoel@g mail.com) writes:[color=blue] > My question is, is there any difference between a NULL and a Blank > (Unknown, Not Applicable) field in MS SQL or are they the same?[/color] As said in other posts, they are ...
there are some nice article regarding NULL and its impact for mistakes ... to happen ... -http://www.sqlservercentral.com/articles/Advanced+Querying/2829/ -http://www.sqlservercentral.com/articles/T-SQL/understandingthedifferencebetweenisnull/871/ -http://www.sqlservercentral.com/articles/ANSI_...
My question is, is there any difference between a NULL and a Blank field in MS SQL or are they the same? I have faced some problems while retrieving the records from the database.How to overcome... Any one help Thanks Shameer Chandra Sekhara Vyas Dhara SSChampion Points: 10...
Basic Question what is difference between asmx and wsdl files? BC30002: Type 'MySqlCommand' is not defined. BC30311: Value of type 'String' cannot be converted to 'System.Web.UI.WebControls.Label'. BC39456: 'Settings' is not a member of 'My' Error Best FREE Rich Text Editor? Best me...
What formula do do to get the difference between 2 DD:MM:YYYY HH:MM in HH:MM. For instance - I tried simply subtracting the cells but I get this: 26/09/2022 13:0928/09/2022 13:2300:14 The answer should be 48:14 and my formula does not seem to take into account...
What is the difference between an "empty" value and a "null" value? When I select those fields that are "empty" versus "null", I get two different result sets. Answer:An empty string is treated as a null value in Oracle. Let's demonstrate. ...
I'm new to Excel and having a problem figuring this out. Here's a simplified explanation of what I'm trying to do:In A2 I have 100In A3 I have 150, an...
The point of that answer byPaul Whiteis that when a constraint is declared on a single column,...