How to Add Column Materialization Rules
Select your data source on the Pipeline Designer page
Navigate to the Transformation/Security tab
Search for the desired attribute in the editable grid
Horizontally to view more columns
Update the materialization transformation type to SQL Expression
Enter the materialization transformation expression
For the JSON Tutorial, please [deploy the database tutorial objects], then for the expression use:
Enter the materialization transformation description
Click save attributes to apply changes
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