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Which concurrency control method is commonly used in data warehousing?
Which concurrency control method is commonly used in data warehousing?
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Practice Questions
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Q1
Which concurrency control method is commonly used in data warehousing?
Pessimistic locking
Optimistic locking
Two-phase locking
Timestamp ordering
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Optimistic locking is often used in data warehousing environments where read operations are more frequent than write operations.
Questions & Step-by-step Solutions
1 item
Q
Q: Which concurrency control method is commonly used in data warehousing?
Solution:
Optimistic locking is often used in data warehousing environments where read operations are more frequent than write operations.
Steps: 5
Show Steps
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.
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