Any number of users can hold a shared lock on the same part of the database,but only one user can hold an exclusive lock on that part of the database.
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Q2: In the case of an uncommitted dependency
Q3: The Atomic property of a transaction means
Q4: The optimistic concurrency control approach may delay
Q5: The keywords START TRANSACTION and COMMIT to
Q6: To restore a database using the immediate
Q7: The "D" in the ACID properties of
Q8: A lost update problem occurs when two
Q9: Because a transaction is a user-defined set
Q10: The "I" in the ACID properties of
Q11: An example of concurrency transparency would be
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