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阿里云 RDS MySQL 5.7 Specified key was too long; max key length is 767 bytes
最近将数据库服务迁移到阿里云的 RDS(MySQL 5.7) 时出现错误: Specified key was too long; max key length is 767 bytes 只需要修改参数 innodb_large_prefix 为 ON 即可。