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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Didn't try myself, but read about org-anki. It provides org-anki-import-deck and org-anki-sync-all commands to round-trip cards.
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