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What is extension and intension?

Posted By :Shashi Ray     Posted Date :October 23, 2008    Points :10   Category :Sql Server 
Extension :-
It is the number of tuples present in a table at any instance. This is time dependent.

Intension :-
It is a constant value that gives the name, structure of table and the constraints laid on it.

You can also find related Interview Question to What is extension and intension?  below: 

What is extension and intension?

  
Extension:- It is the number of tuples present in a table at any instance. This is time dependent.
Intension:-It is a constant value that gives the name,structure of table and the constraints laid on it. (More...)

What is an Extension of entity type?

  
The collections of entities of a particular entity type are grouped together into an entity set. (More...)

What is the difference between Skip() and SkipWhile() extension methods?

  
Skip() will take an integer argument and skips the top n numbers from the given IEnumerable

SkipWhile() continues to skip the elements as long as the input condition is true. Once condition turns false it will return all remaining elements. (More...)

How many types of Client Object model extension are available in 2010 and when would you use one or the other.

  

Ans. To develop rich client side solutions, three set of client-side APIs has been introduced in the Microsoft.SharePoint.Client namespace. The three APIs are targeted for three different types of clients.
1. .net Managed applications - These are used when we have to create console applications or window applications, web applications which are not running inside SharePoint Contex.
2. For Silverlight applications
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How many types of Client Object model extension are available in 2010 and when would you use one or the other.

  

Ans. To develop rich client side solutions, three set of client-side APIs has been introduced in the Microsoft.SharePoint.Client namespace. The three APIs are targeted for three different types of clients.
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Q. How many types of Client Object model extension are available in 2010 and when would you use one or the other.

  
Ans. To develop rich client side solutions, three set of client-side APIs has been introduced in the Microsoft.SharePoint.Client namespace. The three APIs are targeted for three different types of clients.
1. .net Managed applications - These are used when we have to create console applications or window applications, web applications which are not running inside SharePoint Contex.
2. For Silverlight applications
3. ECMAScript - It is a client object model extension for using with JavaScript or JScript. This is used for creating applications which are hosted inside SharePoint. For example, web part deployed in SharePoint site can use this JavaScript API for accessing SharePoint from browser using JavaScript.

(More...)

What is a Web service extension and how do you use the Web Service Extensions folder.

  
The Web Service Extensions folder is the user interface for the new IIS 6.0 lockdown feature. This feature is a manifest of ISAPI extensions and CGIs with user-specified permissions, meaning, administrators must set the permissions to allow specific ISAPIs and CGIs to run on your server. Administrators can also specify the names of ISAPIs or CGIs that are forbidden to run on your server. Before loading an ISAPI extension .dll file or CGI .exe file, IIS checks this manifest for the permissions on the file. If the file is permitted to run, then the request proceeds normally. If the file is not permitted to run, then IIS returns a 404.2 error response to the client machine. The HTML page for a 404.2 error looks like a standard 404 error page, so the client machine processes the request as though the file did not exist. IIS logs the 404.2 error, which administrators can view to assess problems or potential threats against the server. (More...)

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