DatabaseMetaData.getMaxColumnsInIndex() has the following syntax.
int getMaxColumnsInIndex() throws SQLException
In the following code shows how to use DatabaseMetaData.getMaxColumnsInIndex() method.
import java.sql.Connection; import java.sql.DatabaseMetaData; import java.sql.DriverManager; //from w w w. j a v a2 s .co m public class Main { public static void main(String[] args) throws Exception { Connection conn = getHSQLConnection(); DatabaseMetaData md = conn.getMetaData(); System.out.println(md.getMaxColumnsInIndex()); conn.close(); } private static Connection getHSQLConnection() throws Exception { Class.forName("org.hsqldb.jdbcDriver"); String url = "jdbc:hsqldb:data/tutorial"; return DriverManager.getConnection(url, "sa", ""); } }