MySQL 导入数据时max_allowed_packet超出的问题
最近做了小测试，就是把项目中oracle的数据导入到mysql中，使用的mysql migration tool 进行数据迁移，在迁移完以后，发现数据有
最近做了小测试，就是把项目中Oracle的数据导入到mysql中，使用的mysql migration tool 进行数据迁移，在迁移完以后，发现数据有些丢失，，查看迁移报告才发现有个max_allowed_packet超出了系统设置的上限，没有迁移成功，可以修改此变量的值，
修改此变量的值：MySQL安装目录下的my.ini文件中的[mysqld]段中的＂max_allowed_packet = 1M＂，如更改为4M(如果没有这行内容，增加一行)，保存，然后要重起MySQL服务。现在可以加载大于1M的文件了。
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