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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 can you identify whether or not any changes are made to the DataSet object as it was last loaded? The DataSet object provides the following two methods to track down the ch
Sir can you suggest me a project that I am do that i present in last year project work
What do you understand by SOAP encoding? The Serialization of the types, such as integers and strings, inside a SOAP message is known as encoding. The SOAP objects use XML elem
Howto create a simple stylesheet for a web application
This assignment is about writing a C# application that creates a minimal student enrolment system. The application will display lists of papers and students. The user can enrol stu
hello there im stuck in my project and need to finish off it in a week or 8 days ,,and its .net and databases..please need a help
What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why. In a interface class, all methods are abstract without execut
Describe IUKNOWN interface All COM object supports atleast one interface, that is IUnknown interface. All interfaces are the classes, derived from the base class IUnknown. Eve
We have a VB.NET application to organize the edition and creation of dynamic PDF forms (fishing trip logsheet). The fishing vessel parameters are entered once for good in this VB.N
What is the difference between thread and process? The thread is a path of execution which can run on CPU; a process is a collection of threads that share the same virtual memo
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