JAva、jsp接続各種データベースコード

Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String url="jdbc:oracle:thin:@localhost:1521:orcl";
//orcl     SID
String user="test";
String password="test";
Connection conn= DriverManager.getConnection(url,user,password);

Class.forName("com.ibm.db2.jdbc.app.DB2Driver ").newInstance();
String url="jdbc:db2://localhost:5000/sample";
//sample       
String user="admin";
String password="";
Connection conn= DriverManager.getConnection(url,user,password);

Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=mydb";
//mydb    
String user="sa";
String password="";
Connection conn= DriverManager.getConnection(url,user,password);

Class.forName("com.sybase.jdbc.SybDriver").newInstance();
String url =" jdbc:sybase:Tds:localhost:5007/myDB";
//myDB       
Properties sysProps = System.getProperties();
SysProps.put("user","userid");
SysProps.put("password","user_password");
Connection conn= DriverManager.getConnection(url, SysProps);

Class.forName("com.informix.jdbc.IfxDriver").newInstance();
String url =
"jdbc:informix-sqli://123.45.67.89:1533/myDB:INFORMIXSERVER=myserver;
user=testuser;password=testpassword";
//myDB     
Connection conn= DriverManager.getConnection(url);

Class.forName("org.gjt.mm.mysql.Driver").newInstance();  
String url ="jdbc:mysql://localhost/myDB?user=soft&password=soft1234&useUnicode=true&characterEncoding=8859_1"  
//myDB       
Connection conn= DriverManager.getConnection(url);

import java.sql.*;   
//Class.forName("org.gjt.mm.mysql.Driver").newInstance();   
Class.forName("com.mysql.jdbc.Driver");   
//String url ="jdbc:mysql://localhost/myDB?user=soft&password=soft1234&useUnicode=true&characterEncoding=8859_1";   
String url ="jdbc:mysql://localhost:3306/myDB"; </pre><pre name="code" class="java">//myDB        
Connection conn= DriverManager.getConnection(url,"root","root");    
Statement stmtNew=conn.createStatement();

Class.forName("org.postgresql.Driver").newInstance();  
String url ="jdbc:postgresql://localhost/myDB"  
//myDB       
String user="myuser";  
String password="mypassword";  
Connection conn= DriverManager.getConnection(url,user,password);

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");  
Connection con=DriverManager.getConnection("jdbc:odbc:jsp");  
//jsp    odbc    ，     SQL server        。 “    ”-“   odbc”    DNS  。  

import java.sql.*;   
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver") ;   
String url="jdbc:odbc:Driver={MicroSoft Access Driver (*.mdb)};DBQ="+application.getRealPath("/Data/ReportDemo.mdb");   
Connection conn = DriverManager.getConnection(url,"sa","");   
Statement stmtNew=conn.createStatement(); 

import java.sql.*;   
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");   
String url = "jdbc:odbc:driver={Microsoft Excel Driver (*.xls)};DBQ=D:\\myDB.xls"; //          
String user="myuser";   
String password="mypassword";   
Connection conn= DriverManager.getConnection(url,user,password);   
Statement stmtNew=conn.createStatement();