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5 changes: 2 additions & 3 deletions docs/database/sql/sql-questions-01.md
Original file line number Diff line number Diff line change
Expand Up @@ -953,10 +953,9 @@ WHERE condition;
```sql
SELECT cust_id
FROM Orders
WHERE order_num IN (SELECT order_num
WHERE order_num IN (SELECT DISTINCT order_num
FROM OrderItems
GROUP BY order_num
HAVING Sum(item_price) >= 10)
where item_price >= 10)
```

### 确定哪些订单购买了 prod_id 为 BR01 的产品(一)
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