Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Design your own hashing function, which satisfies good hash function properties, for your own use case. Explain your work thoroughly with the right verification.
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- Is there a set limit on the number of linked lists that may be included in a hash table of size m? I've been trying to get my head around the purpose of a hash function, but I just can't seem to get it. Provide an example that helps to demonstrate how your theory is correct.arrow_forwardFind any two practical applications of hashing, thoroughly investigate them, and then provide your own in-depth description. a. Include references from your own research as well?arrow_forwardWrite a detailed note about Hashing. (Hash table, collision, collision detection techniques, temporal complexity, and hashing applications). Give an example of hashing. Are there any Java libraries that may be utilized for this?arrow_forward
- What makes a Key Derivation Function different from other families of secure hash functions (like the SHA family of algorithms) that have been investigated before? Your message will be better received if you include as much information as possible.arrow_forwardIs it consistent to say that a hash table of size m always contains the same number of linked lists? I've been trying to understand the purpose of a hash function for ages. Give an illustration of your point with an example.arrow_forwardUsing quadratic probing, what would be the answer for the following questions if you insert the following keys in sequence: 10, 17, 24, 31, 21, 19. (N = 7) While doing the insertions keep track of the number of collisions for each key and get the final configuration of the structure. Use the following quadratic hashing function: ((x mod 7) + j2) mod 7. What is the final configuration of the hash table? Use the indices from 0 to 6 to report where each key will be mapped. If the position has no value use the word empty. For example, if the final configuration is 10,17,24,31,21,19 (starting from index 0), your answer in the box should be 10,17,24,31,21,19,empty. Please don't use blank spaces or quotes to separate the values. Report the number of collisions for each key using the order of insertion. For example, if you answer as 0,1,3,1,0,1, this means that you found 0 collisions for key 3, 1 collision for key 10, 3 collisions for key 17, 1 collision for key 24, 0 collisions...arrow_forward
- There is a poorly constructed hash map as a result of all the data being lumped together (that is, they are all in the same LinkedList). Give a justification for why this is counterproductive to using a hash map.arrow_forwardFind any two practical applications of hashing, thoroughly investigate them, and then provide your own in-depth description. a. Include references from your own research as well?arrow_forwardWhat distinguishes a Key Derivation Function from other families of secure hash functions (for example, the SHA family of algorithms)? If you want your message to have an effect, you should be as specific as feasible.arrow_forward
- Is there a certain number of linked lists that are always included inside a hash table of size m? To save my life, please explain what the purpose of a hash function is since I have not the faintest clue. Provide an example to support your idea.arrow_forwardWhat makes a Key Derivation Function unique in comparison to other families of secure hash functions that have been explored (for example, the SHA family of algorithms)? Provide as much information as you possibly can if you want to be sure that your message is comprehended by the intended audience.arrow_forwardThere is a poorly constructed hash map as a result of all of the values being lumped into the same hopper (that is, they are all in the same LinkedList). To what extent does this undermine the use of hash maps, and what alternatives exist?arrow_forward
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