Database Management System Question
Database Management System Question With Answer & Solution
Que. - The method of access that uses key transformation is called as
Que. - Why do we need concurrency control on B+ trees ?
Que. - How many techniques are available to control concurrency on B+ trees?
Que. - In crabbing protocol locking
Que. - The deadlock can be handled by
Que. - In crabbing protocol, the lock obtained on the root node is in mode.
Que. - If needed to split a node or coalesce it with its siblings, or redistribute key values between siblings, the crabbing protocol locks the parent of the node in mode.
Que. - Instead of locking index leaf nodes in a two-phase manner, some index concurrency- control schemes use on individual key values, allowing other key values to be inserted or deleted from the same leaf.
Que. - The recovery scheme must also provide
Que. - Which one of the following is a failure to a system
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