Chapter4 Encoding and EvolutionIn this chapter, we will explore how several formats handle schema change and how they support system where old and new data coexist.How these formats are used for data storage and communicationFormates for encoding DataPrograms usually work with data in two different representations: one is in-memory data structure arrays, maps...., those structure are optimized for CPU to handle with pointer; the other one is byte(like JOSN document) that used for data transformation in network or file system.They need to be somehow transferred from each other :In-memory-> byt
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