Activate the analysis via keyboard shortcut Ctrl+Alt+q. Alternatively, open Command Palette (Ctrl+Shift+P), type "Analyze SQL Source Fields+", and press Enter
Choose analysis mode:
Schema-Less : Enter a single source table name
Schema-Based :
Provide an Excel file with table schemas (Table names as Worksheet names, Table fields listed in Column A of each sheet)
Analysis accuracy may be affected if schema is incomplete or inaccurate
Requirements
To get ideal results, the script should be free of syntax errors, i.e., executable in your data environment