Java connection instances of various databases

Data | Database The code in this article lists the key code that connects the database, the other Access database code is omitted








1, oracle8/8i/9i database (thin mode)





class.forname ("Oracle.jdbc.driver.OracleDriver"). newinstance ();





String url= "Jdbc:oracle:thin: @localhost: 1521:ORCL";





//ORCL is the SID of the database





String user= "test";





String password= "test";





Connection conn= drivermanager.getconnection (Url,user,password);








2, DB2 database





class.forname ("Com.ibm.db2.jdbc.app.DB2Driver"). newinstance ();





String url= "Jdbc:db2://localhost:5000/sample";





//sample for your database name





String user= "admin";





String password= "";





Connection conn= drivermanager.getconnection (Url,user,password);








3, SQL server7.0/2000 database





class.forname ("Com.microsoft.jdbc.sqlserver.SQLServerDriver"). newinstance ();





String url= "Jdbc:microsoft:sqlserver://localhost:1433;databasename=mydb";





//mydb for Database





String user= "sa";





String password= "";





Connection conn= drivermanager.getconnection (Url,user,password);








4, Sybase database





class.forname ("Com.sybase.jdbc.SybDriver"). newinstance ();





String url = "Jdbc:sybase:tds:localhost:5007/mydb";





//mydb for your database name





Properties sysprops = system.getproperties ();





sysprops.put ("User", "userid");





sysprops.put ("Password", "User_password");





Connection conn= drivermanager.getconnection (URL, sysprops);








5, Informix Database





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 is a database name





Connection conn= drivermanager.getconnection (URL);








6, MySQL database





class.forname ("Org.gjt.mm.mysql.Driver"). newinstance ();





String url = "jdbc:mysql://localhost/mydb?user=soft&password=soft1234&useunicode=true& Characterencoding=8859_1 "





//mydb is a database name





Connection conn= drivermanager.getconnection (URL);








7, PostgreSQL database





class.forname ("Org.postgresql.Driver"). newinstance ();





String url = "Jdbc:postgresql://localhost/mydb"





//mydb is a database name





String user= "MyUser";





String password= "MyPassword";





Connection conn= drivermanager.getconnection (Url,user,password);