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Upgrade to ProYou are a Operations Analyst at DoorDash. The Operations dashboard needs a daily order volume time series with NO missing dates. A GROUP BY DATE(order_datetime) query naturally drops zero-order days, which breaks downstream chart rendering and rolling-window math. You need a complete day-by-day series from the first to the last order date — every day present, with zeros where there were no orders.
You are a Operations Analyst at DoorDash. The Operations dashboard needs a daily order volume time series with NO missing dates. A GROUP BY DATE(order_datetime) query naturally drops zero-order days, which breaks downstream chart rendering and rolling-window math. You need a complete day-by-day series from the first to the last order date — every day present, with zeros where there were no orders.