Here the source is SQL database tables, so create a Connection string to this particular database. Part of me can understand that running two or more cross-applies on a dataset might not be a grand idea. We have the following parameters AdfWindowEnd AdfWindowStart taskName If you have any suggestions or questions or want to share something then please drop a comment. Databricks Azure Blob Storage Data LakeCSVJSONParquetSQL ServerCosmos DBRDBNoSQL By default, one file per partition in format. Setup the source Dataset After you create a csv dataset with an ADLS linked service, you can either parametrize it or hardcode the file location. You would need a separate Lookup activity. Asking for help, clarification, or responding to other answers. The another array type variable named JsonArray is used to see the test result at debug mode. Azure-DataFactory/Parquet Crud Operations.json at main - Github That makes me a happy data engineer. I've managed to parse the JSON string using parse component in Data Flow, I found a good video on YT explaining how that works. It benefits from its simple structure which allows for relatively simple direct serialization/deserialization to class-orientated languages. Next, the idea was to use derived column and use some expression to get the data but as far as I can see, there's no expression that treats this string as a JSON object. Typically Data warehouse technologies apply schema on write and store data in tabular tables/dimensions. If you look at the mapping closely from the above figure, the nested item in the JSON from source side is: 'result'][0]['Cars']['make']. Ive added some brief guidance on Azure Datalake Storage setup including links through to the official Microsoft documentation. I already tried parsing the field "projects" as string and add another Parse step to parse this string as "Array of documents", but the results are only Null values.. How to parse my json string in C#(4.0)using Newtonsoft.Json package? Which language's style guidelines should be used when writing code that is supposed to be called from another language? File and compression formats supported by Azure Data Factory - Github The purpose of pipeline is to get data from SQL Table and create a parquet file on ADLS. It is opensource, and offers great data compression (reducing the storage requirement) and better performance (less disk I/O as only the required column is read). How would you go about this when the column names contain characters parquet doesn't support? In Append variable2 activity, I use @json(concat('{"activityName":"Copy2","activityObject":',activity('Copy data2').output,'}')) to save the output of Copy data2 activity and convert it from String type to Json type. How to: Copy delimited files having column names with spaces in parquet
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