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  4. External Merge Sort

Part 05 · Join Algorithms

External Merge Sort

External sortRunsK-way mergeSort spill

Sorting 1M orders with memory for only a fraction of them: sorted runs, k-way merge, and the passes over disk it costs.

⏱ 6 min · Station 42 of 123

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This chapter is being written.

The route is mapped; the full walkthrough arrives here soon.

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← Previous stopHash Join Spilling and Grace Hash JoinNext stop →Sort-Merge Join
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