'2 lock root' presentation slideshows

ICS 214B: Transaction Processing and Distributed Data Management

ICS 214B: Transaction Processing and Distributed Data Management. Lecture 4: More on Locks Professor Chen Li. Lock types beyond S/X locks. Examples: (1) increment lock (2) update lock. Example (1): increment lock. Atomic increment action: IN i (A) {Read(A); A ? A+k; Write(A)}

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