TwincAT字符串通过CONCAT拼接字符

光怪陆离的节日发布时间：2022-05-10 21:20:55 ，浏览量：5

在字符串数据中，需要在其前面拼接一段字符，可用CONCAT实现。

操作流程 CONCAT是对两个字符串进行拼接其用法如下所示

使用样例如下所示：在这里插入图片描述

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TwincAT字符串通过CONCAT拼接字符

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