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DBMS B+ File Organization MCQs

DBMS B+ File Organization MCQs: This section contains multiple-choice questions and answers on B+ File Organization in DBMS.
Submitted by Anushree Goswami, on April 22, 2022

1. It is an indexed sequential access method that uses the ___ tree file organization method.

1. B
2. B+
3. B++
4. B+++

Answer: B) B+

Explanation:

It is an indexed sequential access method that uses the B+ tree file organization method.

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2. Records are stored in Files using a ___-like structure.

1. Triangle
2. Roots
3. Stems
4. Tree

Answer: D) Tree

Explanation:

Records are stored in Files using a tree-like structure.

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3. The records are sorted based on the ___ key, just like the key-index concept.

1. Primary
2. Foreign
3. Composite
4. Alternate

Answer: A) Primary

Explanation:

The records are sorted based on the primary key, just like the key-index concept.

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4. An ___ value is generated and mapped to each primary key.

1. Iterative
2. Imposter
3. Index
4. Indicate

Answer: C) Index

Explanation:

An index value is generated and mapped to each primary key.

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5. In some ways, B+ trees are similar to ___ (BSTs), but they can have more than two children.

1. Binary Stem Trees
2. Binary Stretch Trees
3. Binary Search Trees
4. Binary Solve Trees

Answer: C) Binary Search Trees

Explanation:

In some ways, B+ trees are similar to binary search trees (BSTs), but they can have more than two children.

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6. Records are all stored in the ___ node of the B+ Tree method.

1. Stem
2. Root
3. Leaf
4. None

Answer: C) Leaf

Explanation:

Records are all stored in the leaf node of the B+ Tree method.

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7. Leaf nodes are pointed to by ___ nodes.

1. Beginner
2. Last
3. Intermediate
4. None

Answer: C) Intermediate

Explanation:

Leaf nodes are pointed to by intermediate nodes.

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8. Intermediate note does not contain any ___.

1. Column
2. Data
3. Record
4. File

Answer: C) Record

Explanation:

Leaf nodes are pointed to by intermediate nodes.

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9. The ___ method allows for easy searching since each record is stored in a leaf node and ordered sequentially.

1. B+ Tree
2. Has
3. Heap
4. ISMA

Answer: A) B+ Tree

Explanation:

The B+ Tree method allows for easy searching since each record is stored in a leaf node and ordered sequentially.

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10. It is ___ to navigate through the tree structure.

1. Easier
2. Faster
3. Both A and B
4. None of the above

Answer: C) Both A and B

Explanation:

It is easier and faster to navigate through the tree structure.

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11. B+ trees are not limited in ___, so the number of records can grow or shrink, and the structure of the B+ tree can also change.

1. Length
2. Size
3. Rows
4. Columns

Answer: B) Size

Explanation:

B+ trees are not limited in size, so the number of records can grow or shrink, and the structure of the B+ tree can also change.

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12. There is no performance impact from ___ items in a B+ Tree.

1. Inserting
2. Updating
3. Deleting
4. All of the above

Answer: D) All of the above

Explanation:

There is no performance impact from inserting, updating, or deleting items in a B+ Tree.

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13. The ___ method of B+ Trees is inefficient.

1. Static
2. Dynamic
3. Both A and B
4. None of the above

Answer: A) Static

Explanation:

The static method of B+ Trees is inefficient.

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