what is difference between regression & retesting?

Answer Posted / sripathi venkata ramesh

I am Sripathi Venkata Ramesh working as a software Test
engineer. For this question difference between Regression
and Retesting - different people have given different
answers......I confused so many times.............
So the correct answer is here...

Regression Testing: Regression Testing means to test the
entire application to ensure that the fixing of bug will be
affecting anywhere else in the applicationĀ 

Retesting: Retesting means executing the same test case
after fixing bug to ensure the bug fixing.

Retesting and Regression Testing are slightly different in
the sense....they are to be executed on different test
cases...

For example, if there are 1000 test cases to be executed in
the first build....And of the 1000 test cases 100 fail and
900 pass....

Then after bug fixes and when the 2nd build is received
REGRESSION Testing has to be done on the 900 test cases and
the remaining 100 test cases are to be RETESTED

Is This Answer Correct ?    3 Yes 1 No



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