testmetadata.java

梅花雪树的经典制作

package com.test;

import java.sql.*;

public class TestMetaData {
    public static void main(String args[]) {
        Connection conn = null;
        try {
            Class.forName("oracle.jdbc.driver.OracleDriver");
            String url = "jdbc:oracle:thin:@localhost:1521:lanhai";
            conn = DriverManager.getConnection(url, "wygb", "wygb");
            ResultSet rs = null;
            DatabaseMetaData dmd = conn.getMetaData();
            if (dmd == null) {
                System.out.println("No Meta available");
            } else {
                System.out.println("数据库名称:" + dmd.getDatabaseProductName());
                System.out.println("数据库版本:" + dmd.getDatabaseProductVersion());
                System.out.println("数据库驱动程序：" + dmd.getDriverName());
                System.out.println("驱动程序版本号：" + dmd.getDriverVersion());
                System.out.println(
                        "--------------------------------------------");

                System.out.println("结果集类型及支持情况(true-支持,false-不支持)");
                System.out.println("TYPE_FORWARD_ONLY: " +
                                   dmd.supportsResultSetType(ResultSet.
                        TYPE_FORWARD_ONLY));
                System.out.println("TYPE_SCROLL_INSENSITIVE: " +
                                   dmd.supportsResultSetType(ResultSet.
                        TYPE_SCROLL_INSENSITIVE));
                System.out.println("TYPE_SCROLL_SENSITIVE: " +
                                   dmd.supportsResultSetType(ResultSet.
                        TYPE_SCROLL_SENSITIVE));
                System.out.println("CONCUR_READ_ONLY: " +
                                   dmd.supportsResultSetType(ResultSet.
                        CONCUR_READ_ONLY));
                System.out.println("CONCUR_UPDATABLE: " +
                                   dmd.supportsResultSetType(ResultSet.
                        CONCUR_UPDATABLE));
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (conn != null) {
                    conn.close();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}