Question: database deadlock a . occurs when two records are accidentally assigned the same primary key. b . occurs when a unique record is accessed by

database deadlock
a. occurs when two records are accidentally assigned the same primary key.
b. occurs when a unique record is accessed by several different processes simultaneously.
c. is a lock placed on a record to prevent it from being accessed by other processes.
d. is none of these.
database deadlock a. occurs when two records are accidentally assigned the

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