转载自：
https://blog.csdn.net/weixin_40265541/article/details/108369144?utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2aggregatepagefirst_rank_ecpm_v1~rank_v31_ecpm-6-108369144.pc_agg_new_rank&utm_term=mysql+%E4%BF%AE%E6%94%B9%E8%A1%A8%E6%A0%BC%E5%B1%9E%E6%80%A7&spm=1000.2123.3001.4430
1、rename
2、add
3、modify
4、drop
5、change
6、修改存储引擎及默认值
