问题
问答题 简答题
DDL和DML分别代表什么？
答案
参考答案：
DDL表示数据定义语言，在ORACLE中主要包括CREATE，ALTER，DROP；DML表示数据操作语言，主要的DML有SELECT，INSERT，UPDATE，DELETE。
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DDL和DML分别代表什么？
参考答案：
DDL表示数据定义语言，在ORACLE中主要包括CREATE，ALTER，DROP；DML表示数据操作语言，主要的DML有SELECT，INSERT，UPDATE，DELETE。
| 根据句子意思，用所给动词的适当形式填空。 | |
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