All Questions
2 questions
0votes
0answers
63views
Should aggregated data include meta data?
I want to create a aggregation job that executes a big db query and flush it into BigQuery. My question is should I include only the id of the entities (campaign id, advertiser id, user id) or should ...
- 109
1vote
2answers
2kviews
Data Aggregation of CSV files java
I have k csv files (5 csv files for example), each file has m fields which produce a key and n values. I need to produce a single csv file with aggregated data. I'm looking for the most efficient ...
- 217
