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[Sureshmannem]

Hi,

we are using pileline copy activity to read data from xml into delta table.

In mappings tab, import schema is not working delta lake table. Is there any possible solution using copy activity? Thank you

[v-pagayam-msft]

Hi @Sureshmannem ,
Thank you for reaching out to us on Microsoft Fabric Community Forum!

This is a known limitation, Delta may  need the schema to be set up ahead of time or mapped manually. The best workaround is to define the mappings yourself or make sure the table already exists with the right structure. 
Refer the below solved thread and the document for more information:
https://community.fabric.microsoft.com/t5/Data-Engineering/Copy-data-activity-creates-no-proper-delt...
https://learn.microsoft.com/en-us/fabric/data-factory/connector-lakehouse-copy-activity#limitations 
https://learn.microsoft.com/en-us/azure/data-factory/connector-azure-databricks-delta-lake?tabs=data...

Hope this helps.If so,give us kudos and consider accepting it as solution.

Thank you.

Regards,
Pallavi.