Known order shipment record table_Orders
1) If you write a SQL statement to get the latest completion of each orderThe rate table NewOrders is as follows
2) If you write a SQL statement to calculate the total number of orders that do not repeat the order number (calculate 300)
当前位置：网站首页>[Ask] SQL statement to calculate the sum of column 2 by deduplicating column 1?
[Ask] SQL statement to calculate the sum of column 2 by deduplicating column 1?
2022-07-30 20:01:00 【segmentfault】
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