DBMS Heap File Organization MCQs

DBMS Heap File Organization MCQs: This section contains multiple-choice questions and answers on Heap File Organization in DBMS.
Submitted by Anushree Goswami, on April 21, 2022

1. Which of the following is the basic and simple type of organization?

  1. ISMA
  2. Sequential FO
  3. Heap FO
  4. None

Answer: C) Heap FO

Explanation:

Heap FO is the basic and simple type of organization.

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2. Heap File Organization work with -

  1. Data Sets
  2. Database
  3. Data Blocks
  4. Data item

Answer: C) Data Blocks

Explanation:

Heap File Organization work with Data Blocks.

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3. In Heap FO, at the ____ of the file, the record is inserted.

  1. Beginning
  2. End
  3. Middle
  4. Center

Answer: B) End

Explanation:

In heap file organization, the records are inserted at the file's end.

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4. It does not require ___ records when they are inserted.

  1. Sorting
  2. Ordering
  3. Both A and B
  4. None of the above

Answer: C) Both A and B

Explanation:

It does not require sorting or ordering records when they are inserted.

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5. New records are stored in another block when the current block of data is ___.

  1. Half full
  2. Full
  3. Empty
  4. Half Empty

Answer: B) Full

Explanation:

New records are stored in another block when the current block of data is full.

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6. Any ___ in the memory can be chosen as the new ___ to store new records; it does not need to be the next ___.

  1. Data item
  2. Database
  3. Data Sets
  4. Data Blocks

Answer: D) Data Blocks

Explanation:

Any data block in the memory can be chosen as the new data block to store new records; it does not need to be the next data block.

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7. What does heap file also known as?

  1. Ordered file
  2. Unordered file
  3. Sequential file
  4. Non-sequential file

Answer: B) Unordered file

Explanation:

Heap file is also known as unordered file.

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8. There is a unique identifier for every record in a file, and all files are of the ___ size.

  1. Same
  2. Different
  3. Variable
  4. Multiple

Answer: A) Same

Explanation:

There is a unique identifier for every record in a file, and all files are of the same size.

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9. In a ____ file, we must traverse the data from the beginning of the file until we get the requested record if we want to search, update or delete the data.

  1. Sequential
  2. Heap
  3. ISMA
  4. None

Answer: B) Heap

Explanation:

In a heap file, we must traverse the data from the beginning of the file until we get the requested record if we want to search, update or delete the data.

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10. Because there is no sorting or ordering of records, if the database is large, it will be very time-consuming to ___ records.

  1. Search
  2. Updated
  3. Delete
  4. All of the above

Answer: D) All of the above

Explanation:

Because there is no sorting or ordering of records, if the database is large, it will be very time-consuming to search, update, or delete records.

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11. When we work with heap files, we must check ___ entry until we get the desired record.

  1. First
  2. Last
  3. Each
  4. None

Answer: C) Each

Explanation:

When we work with heap files, we must check each entry until we get the desired record.

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12. In bulk ___, the heap file method is a very good way to organize your files.

  1. Updation
  2. Deletion
  3. Insertion
  4. None

Answer: C) Insertion

Explanation:

In bulk insertion, the heap file method is a very good way to organize your files.

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13. This method is best suitable for loading ____ data sets at one time into the database.

  1. Small
  2. Large
  3. Few
  4. Little

Answer: B) Large

Explanation:

This method is best suitable for loading large data sets at one time into the database.

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14. With ____ databases, it is faster to fetch and retrieve records than to retrieve sequential records.

  1. Large
  2. Small
  3. High
  4. Big

Answer: B) Small

Explanation:

With small databases, it is faster to fetch and retrieve records than to retrieve sequential records.

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15. It takes a ___ time to search or modify the record with a heap file method, which is inefficient for large databases.

  1. Less
  2. Little
  3. Null
  4. Long

Answer: D) Long

Explanation:

It takes a long time to search or modify the record with this method, which is inefficient for large databases.

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16. For ___ databases, the Heap file method is insufficient.

  1. Small
  2. Large
  3. Little
  4. Tiny

Answer: B) Large

Explanation:

For large databases, the heap file method is insufficient.

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