
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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(a) Explain the advantages of adding a tail pointer to a linked list.
(b) Explain the advantages of doubly-linked over singly-linked lists.
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- Explain the concept of a "head" and "tail" in a linked list. How do they differ in singly linked lists, doubly linked lists, and circular linked lists?arrow_forwardHow nodes are defined (struct node (value count left right) #:mutable #:transparent) Write in Racket (traverse n) A traversal of a BST is an algorithm for “visiting” all node in the BST. The traversal must visit each node exactly once. In the case of a linked list, a traversal is trivial since the structure is linear: start at the head, move to the next node, and stop when you reach the tail. In the case of a BST, traversal must account for multiple child nodes and keep track of which subtrees have already been visited and which have not. There are three types of traversal: in-order, pre-order, and post-order. We will only implement in-order. The in-order traversal of a BST has the property that the node values will display in ascending or sorted order. The function can be defined either recursively or iteratively. Recursion is much simpler, so we’ll stick to that. Recursive Algorithm for In-Order Traversal of BST parameter: node n, the root of the tree…arrow_forwardThe specifications for the Sorted List ADT state that the item to bedeleted is in the list.1. Rewrite the specification for DeleteItem so that the listis unchanged if the item to be deleted is not in the list.2. Implement DeleteItem as specified in (a) using anarray-based implementation.3. Implement DeleteItem as specified in (a) using alinked implementation.4. Rewrite the specification for DeleteItem so that allcopies of the item to be deleted are removed if they exist.5. Implement DeleteItem as specified in (d) using anarray-based implementation.6. Implement DeleteItem as specified in (d) using alinked implementation.arrow_forward
- Describe how to implement the basic operations on a linked list.arrow_forwardCompare an Array, Single Linked List and Circular Linked List. Which is better to use in general and why? Which one is better for implementing a Queue or Stack?arrow_forwardDouble linked list in Java Double linked list Textbook reference Data structures and algorithms Micheal Goodricharrow_forward
- write in c++ Given a class declaration for a list implemented using a linked list (like NumberList) implement some of the functions (like the constructor, the destructor, append a node to the end, remove the last node, remove the node in position i, etc).arrow_forwardJava Programming language Please help me with this. Thanks in advance.arrow_forwardQUESTION 17 Explain how a linked list can expand its size while stlil having the same head pointer.arrow_forward
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