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  • Ruben Laguna thinks this is interesting:

The magic of the log is that if it is a complete log of changes, it holds not only the contents of the final version of the table, but can also recreate all other versions that might have existed. It is, effectively, a sort of backup of every previous state of the table.


Cover of I Heart Logs


Much like git commit log, that allows to recreate any state of the source code.