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PHP第课:MySQL数据库的设置和使用 11月20日
孤忆寻昔R
Original
795 people have browsed it

作业一

插入操作

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更新操作

·

删除操作

·

查询操作

作业二

总结

`` 和 ‘ ‘ 有区别 注意

2、只要整型类字段名int tiyint 都用无符号 防止出现 -1 负数
3、默认之前可设置 ‘男’ , 但需要设计为null
4、limit查询 id>=5 , limit 7,2 从第五行开始定位查询,然后从7行开始显示两条 从0,1,2,3…到7 开始查询

Correcting teacher:查无此人查无此人

Correction status:qualified

Teacher's comments:完成的不错,继续加油。
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