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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.
What is a Hash Table? You can access an array using the INDEX value of that array, but how many times you know the real value of the index. The Hashtable provides a way of acce
Project Description: We're seeking an IT candidate with experience to help us optimizely, Skills required: .NET, C# Programming, ASP, eCommerce, SQL
In What scenarios you use a DOM parser and SAX parser? 1) If you do not require all the data from the XML file then SAX approach is most preferred than DOM as DOM can quiet mem
What is the difference between Authentication and authorization? This is a tricky question. These two concepts seem altogether same but there is big difference. The Authenti
Design the following interface and add code to the command buttons to achieve the following using case statement. I) find coursework to be calculated using the following formula:-0
Want Microsoft CRM Dynamics CRM 2011 or 2013 programmer Project Description: Need to do customizations in CRM itself and integrate CRM 2011 with SAP Business One and HTML web
They are triggered in the following order as shown below: Application_BeginRequest Application_AuthenticateRequest Application_AuthorizeRequest Application_ResolveReque
What are the different locks in SQL SERVER? Depending on the transaction level there are six types of lock that can be acquired on data :- 1)Intent: The intent lock des
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How will you do code reviews? The way in which the code reviews are done change from person to person and also from company to company. But generally when a project is started
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