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475 records found.
c# and SQL interview question Video :- What is the difference between unique key and primary key? 
Last updated on: 15 Mar 2011 04:41:12 AM by Questpond | Views: 5049 | Category: .NET Framework
Unique key can have nulls Primary key cannot have nulls. In a single table we can create multiple unique keys.In a single table we can have only one primary key. ============================================= Unqiue key creates a non-clustered index by default.Primary Key created a clustered index by default. ================================================ Both unique keys and primary keys can be referenced by foreign key.
.NET interview question video :- What is the use of private constructor ? 
Last updated on: 05 Mar 2011 01:31:17 AM by Questpond | Views: 7368 | Category: .NET Framework
This is one of those .NET interview question is asked from the perspective to test if you understand the importance of private constructors in a class. When we declare a class constructor as private , we can not do 2 things:- -- We can not create a object of the class. -- We can not inherit the class.
.NET interview question video :-what is the difference between convert.tostring and tostring functions ? 
Last updated on: 09 Mar 2011 04:12:10 AM by Questpond | Views: 6342 | Category: .NET Framework
.NET interview question video :-what is the difference between convert.tostring and tostring functions ? This is one of those famous .NET interview question which keeps coming up now and then. To answer precisely and shortly convert.tostring handles nulls while simple tostring() function does not handle null. Below video demonstrates the same practically.
How can we improve SQL performance using profiler and tuning advisor? 
Last updated on: 24 Feb 2011 07:06:05 AM by Questpond | Views: 9124 | Category: Sql Server
This video first starts with a simple explanation of what is a SQL server profiler and performance tuning wizard. After completing the basic concepts it then demonstrates a simple example using two tables by capturing the work load and understanding the recommendations given by the tuning wizard.
How to do ASP.NET Tracing and instrumentation? 
Last updated on: 29 Jan 2011 07:02:46 AM by Questpond | Views: 4627 | Category: ASP.NET
In this video we will look in to how to do tracing and instrumentation using the ASP.NET trace attribute. When you install ASP.NET in production server we do not have visual studio IDE, this video talks about how we can use trace attribute to do debugging on production environments.
  • 101+ jQuery How to methods 
    Last updated on: 20 Dec 2011 04:32:20 AM by SheoNarayan | Views: 13830 | Category: jQuery
    This video explains what is jQuery and how to use jQuery. A very good video to start with. The jQuery ebook covered in this video has more than 101 how to's of jQuery methods and written in easy to understand manner. All how to's are supported by a demo page & source code. This book comes with easy to navigate source code.
    What is Garbage Collector, Gen 0, 1 & 2? 
    Last updated on: 19 Nov 2010 04:09:25 AM by Questpond | Views: 13458 | Category: .NET Framework
    In this video we will try to understand the basic concept of garbage collector , generation 0,1, and 2.
    What are the changes in the .NET 4.0 security model & What is Sandboxing? 
    Last updated on: 23 Oct 2010 08:55:49 AM by Questpond | Views: 7294 | Category: ASP.NET
    This is a simple video where we have created a simple code marked it as security critical and then we tried calling the same from security transparent code and we get an error.
    What is CAS, evidence, permission set & code groups? 
    Last updated on: 23 Oct 2010 08:04:04 AM by Questpond | Views: 7433 | Category: ASP.NET
    This complete video which explains how we can assign permission, permission set,code group and evidence to an exe or an assembly.
    Can you expalin Optimistic locking ? 
    Last updated on: 02 Oct 2010 07:59:36 AM by Questpond | Views: 4790 | Category: ASP.NET
    This video talks about Optimistic locking ...
    (parent child relationship) Interview Questions video. 
    Last updated on: 14 Sep 2010 07:59:37 AM by Questpond | Views: 7959 | Category: .NET Framework
    (Interview question video 1)In a parent child relationship which constructor fires first ?
    ASP.NET 4.0 Web.config transformation 
    Last updated on: 08 Sep 2010 07:18:57 AM by Questpond | Views: 5478 | Category: ASP.NET
    Many times you have different config files for different environments. This video talks about how the new feature in ASP.NET 4.0 Web.config transformation helps to minimize the confusion.