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Which of the following is FALSE about B/B+ tree
  • a)
    B/B+ trees grow upward while Binary Search Trees grow downward.
  • b)
    Time complexity of search operation in B/B+ tree is better than Red Black Trees in general.
  • c)
    Number of child pointers in a B/B+ tree node is always equals to number of keys in it plus one.
  • d)
    A B/B+ tree is defined by a term minimum degree. And minimum degree depends on hard disk block size, key and address sizes.
Correct answer is option 'B'. Can you explain this answer?
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Which of the following is FALSE about B/B+ treea)B/B+ trees grow upwar...
B/B Trees vs Binary Search Trees
The given statement is FALSE. Let's understand why.

B/B Trees:
- B/B trees are balanced search trees that are widely used in database systems and file systems.
- They are self-balancing, which means that after each insertion or deletion, the tree is automatically adjusted to maintain balance.
- The nodes in a B/B tree can have a variable number of child pointers, typically ranging from d to 2d, where d is the minimum degree of the tree.
- The keys in a B/B tree are stored in non-decreasing order within each node.
- B/B trees grow upward, meaning that the root is at the top and the leaves are at the bottom.

Binary Search Trees:
- Binary Search Trees (BSTs) are another type of balanced search tree commonly used for efficient searching and sorting.
- They also have a hierarchical structure, where each node has at most two child nodes.
- In a BST, the left child of a node contains keys smaller than the node's key, and the right child contains keys greater than the node's key.
- BSTs grow downward, meaning that the root is at the bottom and the leaves are at the top.

Time Complexity of Search Operation:
- The time complexity of the search operation in a B/B tree is O(log n), where n is the number of keys in the tree.
- This is because B/B trees are balanced, and the height of the tree is logarithmic with respect to the number of keys.
- On the other hand, the time complexity of the search operation in a Red Black Tree (another type of balanced search tree) is also O(log n).
- Therefore, the statement that B/B trees have a better time complexity for search operations than Red Black Trees in general is FALSE.

Number of Child Pointers in a B/B Tree Node:
- In a B/B tree, the number of child pointers in a node is always equal to the number of keys in it plus one.
- This property ensures that the tree remains balanced and maintains the search efficiency.
- So, the statement that the number of child pointers in a B/B tree node is always equal to the number of keys in it plus one is TRUE.

Minimum Degree of a B/B Tree:
- A B/B tree is defined by a term called the minimum degree, denoted as 'd'.
- The minimum degree of a B/B tree determines the minimum number of keys a non-root node can have.
- The minimum degree depends on various factors such as the hard disk block size, key size, and address size.
- The larger the minimum degree, the larger the number of keys a node can have, resulting in a shallower tree.
- So, the statement that the minimum degree of a B/B tree depends on the hard disk block size, key size, and address size is TRUE.

Therefore, the FALSE statement is option 'B' - the time complexity of the search operation in a B/B tree is better than Red Black Trees in general.
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Which of the following is FALSE about B/B+ treea)B/B+ trees grow upwar...
Asymptotic time complexity of both is of order logn.
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Which of the following is FALSE about B/B+ treea)B/B+ trees grow upward while Binary Search Trees grow downward.b)Time complexity of search operation in B/B+ tree is better than Red Black Trees in general.c)Number of child pointers in a B/B+ tree node is always equals to number of keys in it plus one.d)A B/B+ tree is defined by a term minimum degree. And minimum degree depends on hard disk block size, key and address sizes.Correct answer is option 'B'. Can you explain this answer?
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