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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.
Explain the concept of Web services in brief. A Web service may be explained as an independent and self-sustained unit of a software application that is hosted on the Web and i
Project Description: I have a site that's previously fully developed, and need to fix some small problems (Text editor posting error, and a Server error caused by some Nhibernat
I need help in Calendar integration into site using .net I'm demanding to create a web-based proof of concept for the following scenario. I'd like to permit a user to select
What is the difference between "using System.Data;" and directly adding the reference from "Add References Dialog Box"? When you compiles a program using command line, u add th
Project Description: I have various C# support projects and no time, so I'm seeking for a junior programmer to help out. This intro project is a C# module to develop the UI a
#queWrite a XML with database with book details (BOOK ID, Title, Author, subject, published Year, language, vendor, price)stion..
datatable
Explain the WSDL. WSDL is a short form for Web Services Description Language, which is used to explain a Web service in terms of the messages that it forms and accepts. The WS
What is MVC pattern? The main purpose of using the MVC pattern is to decouple the GUI from the Data. It also gives the ability to provide multiple views for the same Data. Th
I have the project that takes screen shots and saves in the specific folder.(eg.Screen0001) but the problem is that if i close application and run it again then it replace the exis
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