Question: On a relational database ( Read Committed isolation level ) , Session 1 updated a row in a table and did not issue a COMMIT

On a relational database (Read Committed isolation level), Session 1 updated a row in a table and did not issue a COMMIT yet. Later, Session 2 made changes to the same row. The result is Session 2 will:
not be able to make a change due to a deadlock.
be able to make a change due to a snapshot isolation.
not be able to make a change due to a lock.
be able to make a change due to ACID compliance.
None of the above

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