20. 练习:ORDER BY(第二部分)
问题
-
查询
orders
表格,按照订单日期的从新到旧降序排列,同时每个日期下的订单按照
total_amt_usd
降序排列,显示前5行。
-
查询
orders
表格,按照订单日期的从旧到新升序排列,同时每个日期下的订单按照
total_amt_usd
升序排列,显示前10行。
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