Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;

public class Main {
    public static void main(String[] args) throws Exception {
        Connection conn = getConnection();

        DatabaseMetaData mtdt = conn.getMetaData();

        // list catalogs managed by this dbms
        System.out.println(mtdt.getCatalogTerm());

        ResultSet rs = mtdt.getCatalogs();

        ResultSetMetaData rsmd = rs.getMetaData();
        int numCols = rsmd.getColumnCount();
        for (int i = 1; i <= numCols; i++) {
            if (i > 1)
                System.out.print(", ");
            System.out.print(rsmd.getColumnLabel(i));
        }
        System.out.println("");
        while (rs.next()) {
            for (int i = 1; i <= numCols; i++) {
                if (i > 1)
                    System.out.print(", ");
                System.out.print(rs.getString(i));
            }
            System.out.println("");
        }
        conn.close();
    }

    private static Connection getConnection() throws Exception {
        Class.forName("org.hsqldb.jdbcDriver");
        String url = "jdbc:hsqldb:mem:data/tutorial";

        return DriverManager.getConnection(url, "sa", "");
    }
}