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📝 Update Existing Players
Your file includes player_id (STAR ID). Rows match to existing records and update only the fields you provide. Season rows are upserted.
➕ Add New Players
No STAR ID needed. The system auto-assigns the next available STAR000XXX ID and inserts new records into persons and player_seasons.
Expected columns in your Excel file:
blue = required teal = optional Columns not listed are ignored.