Do those files have headers?
"If your source is text file without header line, explicit mapping is required as the source doesn't contain column names."
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I'm trying to injest data using the Copy Data tool in Synapse Analytics Workspace. The files are 2 large csv files stored on Azure Data Lake Storage Gen2. When I get to the File format settings step and click Next, I get a red message that just says:
File schema is not defined
What am I doing wrong?
Do those files have headers?
"If your source is text file without header line, explicit mapping is required as the source doesn't contain column names."