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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Daba
by • New Contributor III
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DLT streaming table and LEFT JOIN

I'm trying to build gold level streaming live table based on two streaming silver live tables with left join.This attempt fails with the next error:"Append mode error: Stream-stream LeftOuter join between two streaming DataFrame/Datasets is not suppo...

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Daba
New Contributor III
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Thanks Fatma,I do understand the need for watermarks, but I'm just wondering if this supported by SQL syntax?

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KKDataEngineer
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Spark Structred Streaming, An Aggregation DF with Watermark in Append mode to Delta table is not writing the most recent aggregation to the Delta table even after crossing the water mark boundary. This is causing dataloss

Team,  I am struggling with a unique issue. I am not sure if my understanding is wrong or this is a bug with spark. I am reading a stream from events hub ( Extract) Pivoting and Aggregating the above dataframe ( Transformation). This is a WATERMARKED...

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