Asked by: Ermina Lemus
technology and computing databases

What is the use of ResultSetMetaData in Java?

Last Updated: 22nd January, 2020

43
ResultSetMetaData is an interface in java. sql package of JDBC API which is used to get the metadata about a ResultSet object. Whenever you query the database using SELECT statement, the result will be stored in a ResultSet object. Every ResultSet object is associated with one ResultSetMetaData object.

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Likewise, what is getMetaData in Java?

The getMetaData() method of ResultSet interface retrieves the ResultSetMetaData object of the current ResultSet. This method returns a ResultSetMetaData object which holds the description of this ResultSet object's columns.

Secondly, what is the difference between ResultSet and ResultSetMetaData? ResultSetMetaData is a class that is used to find information about the ResultSet returned from a executeQuery call. It contains information about the number of columns, the types of data they contain, the names of the columns, and so on.

Accordingly, what is metadata in Java with example?

Given that metadata is a set of descriptive, structural and administrative data about a group of computer data (for example such as a database schema), Java Metadata Interface (or JMI) is a platform-neutral specification that defines the creation, storage, access, lookup and exchange of metadata in the Java programming

What returns a ResultSetMetaData object describing the ResultSet?

Commonly used methods of ResultSetMetaData interface. it returns the total number of columns in the ResultSet object. it returns the column name of the specified column index. it returns the column type name for the specified index.

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