问题分析：当导入.sql文件后，发现数据库中的备注出现乱码，通常是由于一下原因导致：字符集不匹配：.sql文件、MySQL服务器、客户端连接使用的字符集不一致。备注内容编码问题：备注内容本身的编码格式与数据库字符集不兼容。 MySQL版本或配置问题：MySQL不同版本或配置差异导致字符集处理不同解决方法...

文章 2024-10-10 来自：开发者社区

数据库是mysql，使用DBeaver的SQL编辑器执行sql脚本文件时，报错：No active connection 。

遇到这种问题，多半是因为没有与数据库关联具体操作点击右键，选择与数据库关联结果如下出现这个就好了。

文章 2024-06-04 来自：开发者社区

mysql和oracle 命令行执行sql文件数据库执行sql文件执行sql语句

windows和linux操作相同借鉴：http://www.361way.com/mysql-exec-sql-file/2646.html 方法一：mysql 调用法操作方式如下： mysql –u用户名 –p密码 –D数据库<【sql脚本文件路径...

文章 2023-11-15 来自：开发者社区

一般情况下，我们的网站或者小项目的数据库文件也就几十兆的大小，使用navicat等可视化工具快速就可以导入成功，但是当我们遇到几百兆或者更大的数据库文件时候，使用这些可视化工具去操作肯定是不可以的，亲测导入时间会特别久，耗时好力。接下来，加哥就给大家分享一下遇到这类文件迁移数据库该怎么导入呢？第一步：进入mysql找到自己mysql安装的位置，进入大mysql然后登录。mysql -u root....

文章 2023-10-15 来自：开发者社区

【MySQL异常解决】MySQL执行SQL文件出现【Unknown collation ‘utf8mb4_0900_ai_ci‘】的解决方案

一、背景描述从服务器MySQL中导出数据为SQL执行脚本后，在本地电脑执行导出的SQL脚本，报错：Unknown collation ‘utf8mb4_0900_ai_ci‘打开SQL脚本，查看 utf8mb4_0900_ai_ci 关键字，这是字段的字符集。二、报错原因1、MySQL 版本不一样；2、utf8mb4_0900_ai_ci 在 MySQL 8 以下是不被支持的，检查发现本地数据库....

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