What are DDL and DML and their commands?DML statements are SQL statements that manipulate data. DML stands for Data Manipulation Language. The SQL statements that are in the DML class are INSERT, UPDATE and DELETE. Some people also lump the SELECT statement in the DML classification. Data Definition Languages (DDL) are used to define the database structure. Any CREATE, DROP and ALTER commands are examples of DDL SQL statements.[@more@]
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/786540/viewspace-1004215/ ，如需转载，请注明出处，否则将追究法律责任。
上一篇：
Oracle审计功能
下一篇：
有关Oracle分页查询语句
请登录后发表评论
登录
全部评论
-
博文量140
-
访问量1115948
