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Q: What are hashing techniques that allow dynamic file expansion in dbms?
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In dbms what is indexes and hashing techniques?

Indexes in DBMS are data structures used to quickly retrieve data based on specific columns in a table. They allow for faster query processing by reducing the number of records that need to be scanned. Hashing techniques in DBMS involve converting data into a hashed value using a hash function, which is then used to index or organize the data for faster retrieval. Hashing provides quick access to data by generating a unique location for each record based on its hash value.


Why do railway lines have gaps in them?

to allow for the thermal expansion or contraction


One end of a steel bridge is not fixed to provide for expansion?

to allow for expansion and contraction


Rugae are folds in the bladder that allow for expansion However the floor of the bladder does not have rugae and does not expand This triangular area is called the trigone?

It doesnt allow expansion


Why there are spaces between bridges?

To allow for expansion and contraction.


What is the function of the expansion tank in a hot water heating system?

To allow for the expansion of heated thot water


Does a tree topology allow for the expansion of an existing network?

Tree Topology allows for the expansion of an existing network


Why do roads have the gaps between the large pieces of concrete?

They are expansion gaps that allow for the expansion and contraction of the concrete.


Why is there floating head in heat exchanger?

allow for tube expansion


Why are the gaps between adjoining rails?

To allow for expansion and contraction.


Why was the Sears Tower built in that shape?

To allow for future expansion.


What wall of the structure is arranged in rugae to allow for expansion?

Kindneys