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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.
Describe the EventLog class. The EventLog class is used to access the Windows event logs from Windows services. Using EventLog, you can also customize Windows event logs that r
What is UDDI? The Full form of the UDDI is Universal Description, Discovery and Integration. The directory that can be used to publish and discover public Web Services. If you
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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
Project Description: I want very simple app in C# in visual studio Windows forms app Very simple database management app - three buttons - search , delete, add records and
A few changes to OutloProject Description: We require someone who is familiar with programming plug-in to work with Microsoft Outlook. Initially we just require a simple chan
What is marshalling and types of marshalling? The Marshaling is used when an object is converted so that it can be sent across the network or across the application domains. Th
What are indexes? The Indexes in the SQL Server are similar to the indexes in books. They help SQL Server to retrieve the data quickly.These are classified into clustered and n
Does a Web service have state? The Web services do not have any method to maintain state. Though, it can access ASP.NET objects, such as application and session if they extend
concept of strong names Strong name is similar to GUID(It is supposed to be unique in space and time) in the COM components.Strong Name is only needed when we need to deploy as
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