Database Metadata : DatabaseMetadata « Database « Java Tutorial

1. Metadata is data about data.
2. Database metadata is information about a database.
3. Database metadata provides information about the structure of a database and its tables, views, and stored procedures.

JDBC provides four interfaces that deal with database metadata

1. java.sql.DatabaseMetaData: about the database as a whole: table names, table indexes, database product name and version, and actions the database supports.
2. java.sql.ResultSetMetaData: about the types and properties of the columns in a ResultSet object.
3. java.sql.ParameterMetaData: about the types and properties of the parameters in a PreparedStatement object.
4. javax.sql.RowSetMetaData: about the columns in a RowSet object.