JDBC连接orcal,sql server ,mysql 数据库字符串

 1、Oracle8/8i/9i数据库（thin模式）

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

2、DB2数据库

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

3、Sql Server7.0/2000数据库

Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();

String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=mydb";

//mydb为数据库
String user="sa";
String password="";
Connection
conn= DriverManager.getConnection(url,user,password);

4、Sybase数据库

Class.forName("com.sybase.jdbc.SybDriver").newInstance();
String url ="
jdbc:sybase:Tds:localhost:5007/myDB";
//myDB为你的数据库名
Properties sysProps
= System.getProperties();
SysProps.put("user","userid");

SysProps.put("password","user_password");
Connection conn=
DriverManager.getConnection(url, SysProps);

5、Informix数据库

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为数据库名
Connection conn=
DriverManager.getConnection(url);

6、MySQL数据库

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

//myDB为数据库名
Connection conn= DriverManager.getConnection(url);

7、PostgreSQL数据库

Class.forName("org.postgresql.Driver").newInstance();
String url
="jdbc:postgresql://localhost/myDB"
//myDB为数据库名
String user="myuser";

String password="mypassword";
Connection conn=
DriverManager.getConnection(url,user,password);