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What is transaction?
Collections of operations that form a single logical unit of work are known as transactions.
give me a diagram about physical or internal level
What is the purpose of storage manager? The storage manager is responsible for the following a) Interaction with the file manager b) Translation of DML commands in to low
By which techniquesTransaction processing is associated? Transaction processing is associated by producing detail, summary, or exception reports and recording a business activi
brief history,definition,current trends and future trends if any of data fragmentation
Examples:- Hierarchical Model: It tells data as and relationships by hierarchy of data values. Figure illustrates an example of hierarchical model. Now a day's these models are
Outer Join: The use of Outer Join is that it still joins those tuples that do not have matching values in common columns are also contained in the result table. Outer join places
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
How do I use strap on?#
What are the drawbacks of shadow-paging technique? The drawbacks of shadow paging is:- a) Commit Overhead b) Data fragmentation c) Garbage collection
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