📜  什么元数据 - 任何代码示例

📅  最后修改于: 2022-03-11 14:55:34.091000             🧑  作者: Mango

代码示例4
Metadata: data about data. 3 types:
- Database Metadata
DatabaseMetaData dbMetaData = connection.getMetaData();
- Resultset Metadata
ResultSetMetaData rsMetaData = resultSet.getMetaData();