20. 练习:ORDER BY(第二部分)

问题

  1. 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。

  2. 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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