此程序都是企业级 的数据库开发程序 全面揭示了JAVA对数据库的操作

				package metadata;
				
				import java.sql.*;
				import java.util.*;
				import connections.*;
				
				public class GetTableList {
				  public static void main(String[] args) {
				    Connection conn = null;
				    ResultSet rset = null;
				
				    try {
				      conn = ConnectionFactory.getConnection();
				      DatabaseMetaData dbmd = conn.getMetaData();
				
				      String[] types = {
				        "TABLE"
				      };
				      rset = dbmd.getTables(null, "APP", null, types);
				      Vector v = new Vector();
				
				      while (rset.next()) {
				        String name = rset.getString("TABLE_NAME");
				        v.add(name);
				      } 
				      Collections.sort(v);
				      System.out.println("All tables in schema APP:");
				      System.out.println(v.toString());
				
				    } catch (Exception e) {
				      e.printStackTrace();
				    } 
				    finally {
				      ConnectionFactory.close(rset);
				      ConnectionFactory.close(conn);
				    } 
				  } 
				}