Why are the DEQUEUE modules hardly used?

Question

Answer 1

Locks are released automatically at hte end of program

Locks are released automatically at hte end of program

Locks are released automatically at hte end of program
Locks are passed over to update techniques

Locks are passed over to update techniques

Locks are passed over to update techniques
ENQUEUE lock module determines which table lines must be locked

ENQUEUE lock module determines which table lines must be locked

ENQUEUE lock module determines which table lines must be locked

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