Multiple threads update same row in database at a time how to maintain consistence

Question

In my java application multiple threads update same row at a time how to get consistence results ?

for example

current row value count =0; 
thread 1          


        

Answer 1

There are two possible ways to go.

• Either you choose a pessimistic approach and lock rows, tables or even ranges of rows.

• Or you work with versioned Entities (Optimistic Locking).

Maybe you can will find more information here:

https://docs.jboss.org/hibernate/orm/3.3/reference/en/html/transactions.html