Question: Select all that are true of deadlocks. a . Deadlocks can occur between more than two transactions. b . It is possible for DBMS to

Select all that are true of deadlocks.

.

Deadlocks can occur between more than two transactions.

.

It is possible for DBMS to avoid some deadlocks by appropriately scheduling transactions.

.

Transactions in older DBMS are subject to deadlocks, but modern DBMS automatically avoid deadlocks, ensuring that transactions will never encounter a deadlock.

.

Modern DBMS automatically detect deadlocks so that deadlocked transactions don't wait indefinitely.

.

A transaction can deadlock with itself.

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