(The code in this article firstly lists the important codes for connecting to the database, and other codes for accessing the database are omitted.
1. Oracle8/8i/9i database (thin mode)
Class.forName(oracle.jdbc.driver.OracleDriver).newInstance();
Stringurl=jdbc<imgsrc="static/image/smiley/default/shocked.gif"smilieid="6"border="0"alt=""/>racle:thin<imgsrc="static/image/smiley/default/ huffy.gif"smilieid="5"border="0"alt=""/>localHOST:1521<imgsrc="static/image/smiley/default/shocked.gif"smilieid="6"border="0"alt =""/>rcl;
//orcl is the SID of the database
Stringuser=test;
Stringpassword=test;
Connectionconn=DriverManager.getConnection(url,user,password);
2. DB2 database
Class.forName(com.ibm.db2.jdbc.app.DB2Driver).newInstance();
Stringurl=jdbc:db2://localHOST:5000/sample;
//sample is your database name
Stringuser=admin;
Stringpassword=;
Connectionconn=DriverManager.getConnection(url,user,password);
3, SqlServer7.0/2000 database
Class.forName(com.microsoft.jdbc.sqlserver.SQLServerDriver).newInstance();
Stringurl=jdbc:microsoft:sqlserver://localHOST:1433;DatabaseName=mydb;
//mydb is the database
Stringuser=sa;
Stringpassword=;
Connectionconn=DriverManager.getConnection(url,user,password);
4. Sybase database
Class.forName(com.sybase.jdbc.SybDriver).newInstance();
Stringurl=jdbc:sybase:Tds:localHOST:5007/myDB;
//myDB is your database name
PropertiessysProps=System.getProperties();
SysProps.put(user,userid);
SysProps.put(password,user_password);
Connectionconn=DriverManager.getConnection(url,SysProps);
5. Informix database
Class.forName(com.informix.jdbc.IfxDriver).newInstance();
Stringurl=
jdbc:informix-sqli://123.45.67.89:1533/myDB:INFORMIXSERVER=myserver;
user=testuser;password=testpassword;
//myDB is the database name
Connectionconn=DriverManager.getConnection(url);
6. MySQL database
Class.forName(org.gjt.mm.mysql.Driver).newInstance();
Stringurl=jdbc:mysql://localHOST/myDB?user=softpassword=soft1234useUnicode=truecharacterEncoding=8859_1
//myDB is the database name
Connectionconn=DriverManager.getConnection(url);
7. PostgreSQL database
Class.forName(org.postgresql.Driver).newInstance();
Stringurl=jdbc:postgresql://localHOST/myDB
//myDB is the database name
Stringuser=myuser;
Stringpassword=mypassword;
Connectionconn=DriverManager.getConnection(url,user,password);
Instances of Java connecting to various databases.txt)
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