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which four Datatypes cannot be used as a parameter in a udf?

Posted By :Santhose Kumar     Posted Date :May 30, 2011    Points :40   Category :Sql Server 
text, ntext, image and timestamp datatypes can not used as parameter in UDF


I was trying to use an "out int" parameter in one of my functions. How should I declare the variable that I am passing to it?

You should declare the variable as an int, but when you pass it in you must specify it as 'out', like the following: int i; foo(out i); where foo is declared as follows: [return-type] foo(out int o) { } (More...)

What are the different parameter passing techniques c# supports?

byvalue (default),byreference,out and paramarray (More...)

what is the Ref and Out Parameter?

ref parameter:
Ref is keyword.
it must be used along with actual and formal arguments.
ref variables must be initialized before passing to a function

out parameter:
It is very similar to call by Reference.
Out is a Keyword.
Which must be used along with actual and formal arguments.
Out variables are not require to initialize, the initialized value will not be passed, only reference will be passed. (More...)

How to start a thread with parameter?

Use ParameterizedThreadStart type instance (More...)

Which datatypes can be compressed inside SQL Server?


Define Optional and Named Parameter in C# 4.0

Optional parameter allows omitting arguments to function while named parameters allow passing arguments by parameter name. (More...)

Can we have a message contract as input parameter and data contract as returned parameter in a single operation contract?

No, Input and return parameter should be same as Message contract if we want to use message contract in a operation contract. (More...)

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Yes we can.
Code can be like,
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