You are at the right place. I’m a senior software engineer having expertise in database design and development. I have vast experience in designing, debugging, and developing databases like Oracle SQL ...

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等比赛结束再来讨论。 严禁互相抄袭答案，如果发现有雷同代码，组委会将取消成绩。 春运的火车票总是一票难求，现在假设你掌握了火车的车次信息，并且收集到了所有乘客的起始站和终点站需求，需要你用一条 SQL 为每个乘客分配火车票车次和座位，让乘客 ...