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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