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第十七课 数据库操作
随风
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数据库增删改查(手写)

创建新表十个以上字段

总结

学习了数据库的相关操作,有一个疑问:
`
DELETE FROM category
WHERE
cate_id =12

DELETE FROM category
WHERE
cate_id =’12’
`

以上两条语句都可以运行并结果一致
想问一下 有无 ``
对表查询都是一样的,其他数据库都不需要为何mysql需要。难道是在php引用需要吗?

Correcting teacher:查无此人查无此人

Correction status:qualified

Teacher's comments:完成的不错,继续努力
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