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Link List used to construct a Prev LSN in database log - Database
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Q. What data structure is used to construct a Prev LSN in a database log?
- Published on 28 Aug 15
a.
Queue
b.
Link List
c.
Graph
d.
Tree
ANSWER: Link List
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Discussion
Nirja Shah
-Posted on 05 Nov 15
Liked lists
- It is a method of organizing stored data in a computer memory or on a storage medium based on the logical order of the data and not the physical order.
- All stored data records are assigned a physical address in the memory.
- It arranges the data by logic rather than by physical address.
- They are used to organize data in specific desired logical orders, independent of the memory address each record is assigned to.
- The data storage works best with data arrays in which one doesn't know how large the array will need to be or when there is a certainty of more data being added or subtracted at later times.
- A disadvantage to linked list data storage is that the data must be accessed sequentially and cannot be accessed randomly.
- Some common applications of linked lists include creating hash tables for collision resolution across communication channels, structuring binary trees, building stacks and queues in programming, and managing relational databases.
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