CMU 15-445 Fall 2025 Project #4: Concurrency Control (BusTub MVOCC)

Add optimistic multi-version concurrency control: timestamps, delta-based version storage, MVCC-aware executors and a primary-key index.

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The exercise happens on CMU 15-445. Canonical link: https://15445.courses.cs.cmu.edu/fall2025/project4/. Link check: link responded (5 Oct 2026). Opened from this app 0 times; opening is not counted as an attempt.

Supports: Transaction-processing internals for database research and backend roles that need deep isolation knowledge.

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