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MySQL 8.0新特性-小鱼的博客-51CTO博客
source link: http://blog.51cto.com/395469372/2072691
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一、MySQL 8.0中添加的功能1、新的系统字典表 整合了存储有关数据库对象信息的事务数据字典，所有的元数据都用InnoDB引擎进行存储2、支持DDL 原子操作 InnoDB表的DDL支持事务完整性，要么成功要么回滚，将DDL操作回滚日志写入到data dictionary 数据字典表 mysql.innodb_ddl_log 中用于回滚操作3
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