Section 18.5

Select ONE of the following is true

Transaction requests locks and scheduler releases them

Scheduler inserts locks and transaction releases them

Scheduler inserts and releases locks

Transaction inserts and releases locks

Select ALL the true statements from the following about lock table

Lock tables reside partially or completely in main memory

Lock tables reside only in secondary memory

An element viz. Not locked will not appear in a lock table

Size of lock table is proportional to the size of the database

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