版权声明:转载请注明出处 https://blog.csdn.net/qq_42292831/article/details/91491798
DDL(Data Defination Language)
DML(Data Manipulation Language)
DCL(Data Control Language)
扫描二维码关注公众号,回复:
6474239 查看本文章
DDL(Data Defination Language)
DML(Data Manipulation Language)
DCL(Data Control Language)