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What's difference between "Optimistic" and "Pessimistic" locking?
In the pessimistic locking when user wants to update a data it locks the record and till then no one can update data. The Other user's can only view the data when there is a pessimistic locking.
In the optimistic locking many users can open the same record for updating,and hence increases maximum concurrency. The Record is only locked when updating the record. This is the most preferred way of locking practically. In today's time the browser based application is very common and having the pessimistic locking is not a practical solution.
How different are interface and abstract class in .Net? Abstract classes cannot be instantiated it can have or cannot have abstract method basically called as must inherit as t
This assignment aims to give you a deeper understanding of a 3-tiers integrated application, which groups together several topics taught in this course. This assignment asks yo
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how much u guys cost for 5 pages website in .net?
What is a Interface? The Interface is a contract that describes the signature of the functionality. So when a class is implementing a interface it says to the outer world, that
Explain ADO.NET in brief. ADO.NET is a very significant feature of .NET Framework, which is used to work with data that is stored in structured data sources, like databases and
How do we connect to SQL SERVER, which namespace do we use ? The code is shown below, after that i will give the explanation for it. For this sample we will also require a SQL
What are the differences between AJAX and JavaScript? The differences among AJAX and JavaScript are given as follows: AJAX sends request to the server and does not wait for
Create a Calculator application using Web Form with the following functions: 1. Add 2. Minus 3. Multiply 4. Divide Each of the above has to be a Web Service
How do I force the Dispose method to be called automatically, as clients can forget to call Dispose method? To Call the Dispose method in the Finalize method and in the Dispose
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