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Interview Questions And Answers

Where are shared assemblies stored in .NET?

Author: Amit Mehra          Posted Date: August 06, 2008    Category: C#     Points: 10

Shared Assemblies are stored in Global Assembly Cache also known as GAC.

What is Satellite Assemblies in .NET?

Author: Amit Mehra          Posted Date: August 06, 2008    Category: C#     Points: 10

Assemblies which contains culture information are known as satellite assemblies. Satellite assembly is used to get language specific resources for an application.

Can you have two assemblies with the same name in GAC?

Author: Amit Mehra          Posted Date: August 06, 2008    Category: .NET Framework     Points: 10

Yes you can have two or more assemblies having same name in GAC only when assemblies version no is different.As we know that all assemblies in .NET is having version no.

What is typed dataset in C#?

Author: Amit Mehra          Posted Date: August 06, 2008    Category: C#     Points: 10

A typed dataset is similar to a dataset with only difference is that the sehema is already present in typed dataset. so if any mismatch in the column will generate compile time errors rather than runtime error as in the case of normal dataset. Also accessing the column value is much easier than the normal dataset as the column definition will be available in the schema.

Database Concurrency in Sql Server.

Author: Amit Mehra          Posted Date: August 06, 2008    Category: Sql Server     Points: 10

When two or more user try to update same type of data in a table then Database Concurrency helps in this situation.

There are 2 types of Database Concurrency

Pessimistic: When one user try to change the data with pessimistic concurrency then a lock is placed on the data in a table so that another user cannot change data. when one user finishes then other user can able to change.

Optimistic: When two user works on the same data in a table and one change that data first then second user cannot change that same data becasue the which he have using is allready changed so he cannot do the change becasue change apply to another data that is changed by first user.

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