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Which concurrency control method is commonly used in data warehousing?

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Question: Which concurrency control method is commonly used in data warehousing?

Options:

  1. Pessimistic locking
  2. Optimistic locking
  3. Two-phase locking
  4. Timestamp ordering

Correct Answer: Optimistic locking

Solution: 

Optimistic locking is often used in data warehousing environments where read operations are more frequent than write operations.

Which concurrency control method is commonly used in data warehousing?

Practice Questions

Q1
Which concurrency control method is commonly used in data warehousing?
  1. Pessimistic locking
  2. Optimistic locking
  3. Two-phase locking
  4. Timestamp ordering

Questions & Step-by-Step Solutions

Which concurrency control method is commonly used in data warehousing?
Correct Answer: Optimistic locking
  • Step 1: Understand what concurrency control means. It is a way to manage how multiple users access and modify data at the same time.
  • Step 2: Know that there are different methods of concurrency control, such as optimistic locking and pessimistic locking.
  • Step 3: Recognize that data warehousing often involves many read operations (looking at data) and fewer write operations (changing data).
  • Step 4: Learn that optimistic locking is a method that works well in situations where reads are more common than writes.
  • Step 5: Conclude that optimistic locking is the concurrency control method commonly used in data warehousing.
No concepts available.
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