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Hi,
I have loaded two CSV and created two tables, and joined them as a Joined table.
Every time I reference the Joined table, I see that CSV files are getting loaded again. Since those CSV files are very large, it loads for several minutes.
How to avoid this, if there is a way?
Thanks in advance.
Regards,
Myu
Hello - are you performing the join as a new query or within an existing query? Joining as a new query should solve this problem. When the join is done within an existing query (the join is not the first step in the query), a separate call to the source is made for each row. I have included a link where this is explained in more detail.
Thank you for your help.
I am actually merging with new query.
As you can see from the screenshot above, whatever transformation/calculation I do in the "Not available in Oil" query, I see that the query is loading the CSVs again.
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