Difference between "optimistic" and "pessimistic" locking, DOT NET Programming

Assignment Help:

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.


Related Discussions:- Difference between "optimistic" and "pessimistic" locking

Textile pro, Could not find any resources appropriate for the specified cul...

Could not find any resources appropriate for the specified culture or the neutral culture. Make sure "Textilepro.frmLogin.resources" was correctly embedded or linked into assembly

Application domain, What is an application domain? Previously "PROCESS"...

What is an application domain? Previously "PROCESS" were used as the security boundaries. One of the process has its own virtual memory and does not overlap the  another proces

Code for the file dependency in cache, Show the code for the file dependenc...

Show the code for the file dependency in cache? Partial Class Default_aspx Public Sub displayAnnouncement() Dim announcement As String If Cache("announcement") Is Noth

Reading strings from the keyboard, Reading strings from the keyboard   ...

Reading strings from the keyboard   using System; class Prog3_1 {       public static void Main()   {    Console.Write ("Enter Your First Name : "); // Displaying to writ

What is reflection, What is Reflection?  It extends the advantages of m...

What is Reflection?  It extends the advantages of metadata by allowing developers to inspect and use it at runtime. For example, dynamically determine all the classes contained

Need vb.net windows application programmer, We need vb.net windows applicat...

We need vb.net windows application programmer with min six years exp to work on our email marketing project Project Description: We need a windows application vb.net programm

What are the different visual basic features, What are the different Visual...

What are the different Visual Basic features that support LINQ? Visual Basic includes the following features that support LINQ: Anonymous types - Enables you to make a ne

Value types and reference types, What are Value types and Reference types ...

What are Value types and Reference types The Value types directly contain their data which are either allocated on the stack or allocated in-  Line in a  structure. The Refe

A crm based on .net and oracle as backend, A CRM based on .net and Oracle a...

A CRM based on .net and Oracle as backend with import data, Transaction Reporting and management Capabilities Project Description: 1. Introduction ADA recovery Branch gets

Explain in brief dataadapter class in ado.net, Explain in brief DataAdapter...

Explain in brief DataAdapter class in ADO.NET. The DataAdapter class retrieves data from the database, keeps data in a dataset, and reflects the changes made in the dataset to

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd