Interviewer asked me to write down the critical bugs in my
career.i am working for the past 18 months in the banking
domain. my answer didn't satisfied the interviewer,can any
one help me to find out the critical bugs that may occur
while working in banking domain?
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Answer Posted / chandra sekhar
Hi This is chandra sekhar,
Here I am telling critical bug .
In data base table side there are two concurrency controls .
first one is optimistice concurrency control and second one
is last one win concurrency control. optimistic concurrency
control means a row in data base table can be updated only
once. last one concurrnecy control means same row can be
updated more than once. the requirement is optimistic
concurrency control , but the developer developed with last
one concurrency control. when I entered data in the
textboxes with is primary key ID and submit the submit
button, the data has been inserted into concerned table.
Next time , When I entered different data and with same
primary key ID this same rows has been updated. here is
optimistic concurrency control voilated.
Thsi is critical bug in my project.
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