Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Which of the following node definitions are FALSE?
Select one:
a.Leaf nodes are also known as external nodes
b.Internal node is a node with at least one child
c.Leaf nodes have no parent
d.Root node is a node with no parent
e.Leaf nodes have no children
Which of the following operators will attempt to use a hash or b-tree index?
>>
@>
&&
=
Which data structure can be used to implement a hash table?*
LinkedList and Tree
LinkedList
All of the above
Array
Tree
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- Which of the following algorithms are useful for processing queries on trees? A. Centroid Decomposition. B. Heavy Light Decomposition. C. Both (A) and (B). D. Neither (A) nor (B).arrow_forwardWhich of the following technique stores data in the hash table itself in case of a collision?a) Open addressingb) Chaining using linked listc) Chaining using doubly linked listd) Chaining using binary treearrow_forwardq6) Which of the following linked list can move only in one direction to access the data of the node? a. Single linked list b. Circular Double linked list c. None d. Double linked listarrow_forward
- How do you access, modify, or search a BST (Binary Search Tree) containing a set of user IDs and passwords?arrow_forwardAfter three records with keys 40, 15, and 18 are inserted into an empty AVL tree, which of the following is correct? Question options: A. a single left rotation is needed at node 18 B. no rotation is needed to maintian AVL tree C. a single right rotation is needed at node 40 D. a single left rotation is needed at node 15arrow_forwardconvert UNF for 1NF to 2NF to 3NF, progressively. UNF:Order(OrderID, OrderDate, CustID, CustName, CustPhone, CCNum, CCExpDate, CCBank, BnkContName, BnkContPhone, CustEmail, OrderIP, SiteRefFrom, ShipStreet, ShipCity, ShipSt, ShipZip, OrderLineNum, ItemID, ItemName, ItemDesc, ItemQtyOrdered,ItemListPrice, ItemSalePrice, ItemQtyShip, ShipCharge, Tax, TotalDue)arrow_forward
- After three records with keys 40, 18, and 15 are inserted into an empty AVL tree, which of the following is correct? Question 5 options: no rotation is needed to maintian AVL tree a single right rotation is needed at node 40 a single left rotation is needed at node 18 a single left rotation is needed at node 15arrow_forwardsolve the question :1- create an AVL tree by inserting the following key:60,20,100,120,80 2- write the necessary command to traverse the tree elements in order. 3- the main class will contain loop Note : write in NetBeanss 8.2arrow_forwardwhich of the following is the inorder traversal of a binary tree. A) traverse TL, Visit root node, visit root node B) traverse TL, traverse TR, visit root nodeC) visit root node, traverse TR, traverse TLD) none of the abovearrow_forward
- ListTraverseReverse must traverse a linked list in reverse order. Which XXX should replace the missing statement? ListTraverseReverse(list) {XXX}ListTraverseReverseRecursive(node) {if (node is not null) {ListTraverseReverseRecursive(node⇢next)Visit node}} Group of answer choices ListTraverseReverseRecursive(list) ListTraverseReverseRecursive(list⇢head) ListTraverseReverseRecursive(list⇢head⇢next) ListTraverseReverseRecursive(list⇢tail)arrow_forwardHow many linked lists are in a T-size chaining hash table? The Separate Chaining hash table contains which essential data structures?arrow_forwardWhat is the difference between a ship operator and a rehash operator? A A rehash operator takes the output of a query subexpression and routes it to the input of a query plan on another node, while a ship operator hashes keys to machines. B A rehash operator divides ranges across the machines, while a ship operator hashes keys to machines. (C) A ship operator takes the output of a query subexpression and routes it to the input of a query plan on another node, while a rehash operator hashes keys to machines. (D) A rehash operator performs load balancing across machines, while a hash operator hashes keys to machinesarrow_forward
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