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insert into XYZ(col1, col2) values (1,2)
update XYZ set ... where col1 = 1
COMMIT
As in can see in the above code, we havent yet commited our insert statement, and we performed an update operation on the same row, and finally we commit the whole batch.
What exactly would happen in this case? Are there any chances of losing data in this scenario?
your session is always able to see its own modifications, even before you issue a commit.