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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 Extensible Markup Language (XML). XML is an easy and flexible mark-up language in the text format. Nowadays, it is widely used to exchange a large variety of data over
What is the use of "Must Inherit" keyword in VB.NET? If you want to create an abstract class in the VB.NET it is done by using the "MustInherit" keyword.You can't create an obj
Project Description: We need to construct services in C# or VB.NET that can manipulate with a Targin TIP Protocol Server (protocol for financial information exchange), receive d
What is a parameter? Explain the new types of parameters introduced in C# 4.0. A parameter is a special type of variable, which is used in a function to give a piece of informa
How can you increase SQL performance? 1)Keep your indexes as narrow as possible. This reduces the size of the index and decrease the number of reads needed to read the index.
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
Explain Custom Activities. In addition to the standard activities available within the base activity library, you can make new activities to meet exact business needs. Creating
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Want C# Single User Login per session Project Description: I need to save simulatenious logins for one account such as one user has a spottily premium account and someone tri
What is XPath? XPath stands for XML Path. It is a language used to access dissimilar parts of an XML document, such as elements and attributes.
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