Add a reference to paper about isolation levels

pingcap / awesome-database-learning

A list of learning materials to understand databases internals

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Add a reference to paper about isolation levels #25

Closed yongyanglai closed 4 years ago

yongyanglai commented 4 years ago

This commit adds a new reference to paper "Generalized Isolation Level Definitions" as complement of paper "A Critique of ANSI SQL Isolation Levels". This paper defined a model called "Direct Serialization Graph" that is extensively used to describe anomalies in transaction.