4 ms·
Keeping a raw version of the data make it easier to change in the future. If you use s3 as a data lake you can transform later into the shape you want it. Also
by kpierce 6y ago
Keeping a raw version of the data make it easier to change in the future. If you use s3 as a data lake you can transform later into the shape you want it. Also can use tools like presto where schema is on read instead of hardcoded so transform step is moved to another time.