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Have you tried setting up cached query results? there are limits (mainly memory) but it basically makes a sqlite bridge between results |
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I understand that there are many difficulties in performing cross-data-source querying on a single page, including:
Different data formats: Different data sources may have different data formats, which can make it difficult to combine and compare query results.
Access control: Cross-data-source queries require consideration of how to ensure user access control and data privacy across different data sources.
Communication between data sources: Communication between data sources may involve network delays and error handling.
Performance issues: Cross-data-source querying often involves processing and merging large amounts of data, which can impact performance and resource consumption.
Although cross-data-source querying is challenging, some BI tools offer this functionality. These tools typically connect to multiple data sources and provide a user-friendly interface to simplify cross-data-source querying, while also providing necessary access control and data privacy measures.
I would like to know the possibility of Redash providing multi-data-source querying, and thank you all for your input.
As far as I know, SmartBI supports cross-data source querying.
https://www.smartbi.com.cn/
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