When multiple users attempt to modify data at the same time
Ex user 1 is updating record at same time user2 deleted
record sucessfully.now user1 has press update button . how
to handle concurrency
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Answer Posted / kiranmadiraju
You can use one primary key and one timestamp field to sort
out the problem of concurrency.
The steps are like this
1.Fetch the record from database and store the primary key
value and timestamp in the session.
2.Update the same record with new values other fields using
the same session values for primary key and timestamp fields.
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