Hi! Like to disscuss any questions with you.

cloud2001 (坐看云起之山尽水穷)
When I saw your question, I just want to answer you as soon as possible, yes, I admit at that time I did not even think about performance, so I am not a dba either. :) Although it seems a simple question, as you and abba said, it is more complicated in real life, but I really learn much from it. I really appreciate it. You make rolia IT more like a technical forum, which is the place I am looking for.

2001-11-15 -04:00

回到话题: 闲来无事, 出道ORACLE SQL的题考考大家. 这是在下几个月前工作中遇到的问题, 看似简单, 其实不然.

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