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数据库,看着操作训练题,突然不会做了,求解
2022-06-09 18:36:00 【CSDN问答】
游标操作训练:编写程序,根据图书借阅以及归还情况,更新图书的在哭状态,如果某册图书已经借出还没有归还,则将其状态改成出库,否则为在库。

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