How to avoid redundancy in our project ?

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Hi all

Question is for Dot net and SQL server database...

In one of my recent interview,i had question like .

"If more than a user trying to access same record or trying to add same records in our project from different machine
at the same time ,redundacies occurs.How can v avoid redundacy in our project "

Post more questions i have faced in my interview...

Thanks in advance

Naveen...

Posted 26-Jun-10 3:38am

nav234

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nav234 · Answer 1 · 2010-06-26T04:19:00

Solution 2

Thank u Mr.James Again

i have found something like "ASP.NET Optimistic Concurrency Control"

in your FAQ for understanding about concurrency.

Are you sure redundancy and concurrency or different ?
if so ,may i know what is redundancy?

Thanks in advance

Naveen...

Posted 26-Jun-10 4:19am

nav234

Comments

TheyCallMeMrJames 28-Jun-10 9:46am

Redundancy is a backup plan: when the connection to this web service fails, you establish a connection to the alternate web service. Concurrency deals with multiple executions of the same code simultaneously. Yes, there is a difference.

TheyCallMeMrJames 28-Jun-10 9:47am

And, hey, you should use comments to probe further. Don't add answers to your own questions to start a conversation. Please mark answers as accepted if they've helped.

[no name] 4-Aug-10 10:44am

Reason for my vote of 5
sdfgvsdfg s

TheyCallMeMrJames · Answer 2 · 2010-06-26T04:12:00

Solution 1

The answer to the question in your title is that you take concurrency into consideration when implementing your DAL (or use a framework that does).

This isn't a question suitable for this section of the web site. Please read the faq[

Posted 26-Jun-10 4:12am

TheyCallMeMrJames