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第86节，mysql8 的 timestamp可以为空了 #8

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dyan0123 opened this issue Mar 3, 2023 · 1 comment

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dyan0123 commented Mar 3, 2023

问题描述

视频用的mysql5 里，timestamp不能为空，但 mysql8 可以为空。

问题发生在第几章第几节

视频截图如下：

mysql如下：

有解决办法么？

No response

测试用的Mysql版本

mysql8

Author

dyan0123 commented Mar 4, 2023

因为可以为空，所以插入时候，在select也可以显示null。
视频截图如下：

mysql 8 截图如下：

xiaopeng163 added the upgrade-mysql8 label

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