Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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In simple uniform hashing, what is the search complexity?
a) O(n)
b) O(logn)
c) O(nlogn)
d) O(1)
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- This question concerns complexity, recurrence, sorting, and hashing. (a) Show that nlog(n) + n² = O(n²).arrow_forwardHow can hashing be used to determine if all elements in a list are unique? What is the complexity?arrow_forwardLet us consider an empty hash table with 10 positions indexed from 0 to 9. Please illustrate the content of the hash table after inserting the elements 79, 8, 39, 48, 3, and 60 using(1) Quadratic Probing (2) Double hashing with h(k) = k%10 and h’(k)= 7-k%7arrow_forward
- This section provides a prioritized list of factors that affect the Big-O performance of a hash table:arrow_forwardHow can hashing be used to determine if all elements in a list are unique? What is the complexity?arrow_forwardThe Java hash function for Strings computes a hash code based on a fixed maximum number of characters of the string. Given that Strings have no meaningful upper bound in length, describe how an effective, constant-time hashing algorithm can be constructed. (Hint: If you were to pick, say, eight characters to represent a string of length l, which would you choose?)arrow_forward
- Hashing table Sıze 7: SIze 7: 12,5,19,2,23. Use Quadratic Probing if tnere is Answer in form of the order of a collision in ferted elemunts. a) -19.2 23 12-5 b).-19223 125 C) 12 2 23 19--S ) 12--2 2319 5arrow_forwardIn a hash table of size 10, where is element 7 placed?a) 6b) 7c) 17d) 16arrow_forwardWhat is the time complexity of delete function in the hash table using a doubly linked list?a) O(1)b) O(n)c) O(log n)d) O(n log n)arrow_forward
- How can a hash table improve efficiency over a linear list? Problem?arrow_forwardThe Big O value of hashing is: O a. O(log N) O b. O(N) Oc O(N*Log N) O d. 0(1)arrow_forward2. Consider the Linear Hashing index. Linear Hashing | h1 000 001 010 011 ho ठ 00 01 10 11 Mod 8 (%68) Mod 4 (%4) 16* 21* 40* 37* 14* 18* 6* Primary Page 13* A. Show the resulting index after inserting the entry 9* C. Show the resulting index after inserting entry 7* 31* 19* 11* 23* B. Show the resulting index after inserting the entry 3* 30* D. Show the resulting index after inserting the entry 22* Overflow Pagearrow_forward
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