What are the differences between MapReduce and SQL?
MapReduce is a programming model for processing large data sets with a distributed algorithm, while SQL is a query language for managing and manipulating relational databases.
Can you explain how MapReduce works in more detail?
Sure! MapReduce works in two main steps: the 'Map' step processes input data and produces key-value pairs, and the 'Reduce' step aggregates those pairs to produce the final output.
When should I use MapReduce instead of SQL?
Use MapReduce for large-scale data processing across distributed systems, especially when dealing with unstructured data. SQL is better for structured data in relational databases.
Are there any performance differences between the two?
Yes, MapReduce can handle larger datasets more efficiently in distributed environments, while SQL is optimized for quick queries on smaller, structured datasets.
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