What information may be obtained from a resultsetmetadata object? (tcos 1–6) what information may be obtained from a resultsetmetadata object?
number of columns in the result set
database url and product name
number of rows in the result set
jdbc driver name and version

The correct answer for the given question is  " Number of columns in the result set" .

Explanation:

In java the  ResultSetMetaData is an interface which is used to getting metadata .

The ResultSetMetaData  getting the metadata of a table like number of column ,total column etc.

Their are following method of  ResultSetMetaData interface

int getColumnCount():it return total number of column in ResultSet object.

String getColumnName(int index):returns the column name

 For example

 ResultSet r;

 ResultSetMetaData sm=r.getMetaData();   // where r is ResultSet

  sm.getColumnCount());  :It return total column in table

 sm.getColumnName(1)): it return the column name .