#19 - Multi-Version Concurrency Control (CMU Intro to Database Systems)

[@JamesSjaalman]

Andy, you are thinking analytic. Updates are rare in the transactional world.

[@angus10292]

Around 21:!2 , If two phase locking is protecting us from write-write conflicts, what's the need for a separate status table. When t2 tries to update, it'll block waiting for lock on A right? Unless its an optimization - a simple look-up in a hash-table vs a request to the lock-manager

[@feliksbekeshov7668]

Hi from Vlad