I am trying to make a join like in RDBMS.
I have a few .csv files that are included in the .config file and I want to use them for BI purposes.
Is it possible to join by unique column a few tables like in sql and to create a data model and if not what are the solutions?
Elasticsearch is not a relational system, and does not support joins, so you will most likely need to change how you model your data.
Thank you for the fast reply!
As I understand the best solution is to creata a signle .csv file with all available fields?
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