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Jun 3, 2016 Replied to a topic by coolair › 问与答 › 请教一个 SQL 查询。 |
这个的话, 是不是这样连接就行：
SELECT X.key_1, X.key_2, X.key_3, a.key_1, a.key_2, a.key_3
FROM X, a
WHERE a.x_id = X.id
不是很清楚你的各个属性的含义= =
SELECT X.key_1, X.key_2, X.key_3, a.key_1, a.key_2, a.key_3
FROM X, a
WHERE a.x_id = X.id
不是很清楚你的各个属性的含义= =
Jun 3, 2016 Replied to a topic by stcasshern › MacBook Pro › 要是 6 月不出新的 RMBP，就直接 X1C 了 |
x1c 比不上 rmbp +1 。笔记本里综合考虑 rmpb 的性能和体验的平衡是最好的。而且续航真的厉害。 DELL 的风扇那么响，不觉得好。
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