Question: A transaction is considered isolated when: Question 4 Select one: a . it runs in a vacuum. b . any changes in the database are

A transaction is considered isolated when:
Question 4Select one:
a.
it runs in a vacuum.
b.
any changes in the database are not revealed to the user until the transaction is complete.
c.
it can only be run on one server.
d.
users can see changes to tables before the transaction is complete.

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