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Several common database connection methods
2022-07-07 08:53:00 【Please Sit Down】
MySQL:
String Driver="com.mysql.jdbc.Driver"; // The driver
String URL="jdbc:mysql://localhost:3306/db_name"; // Connected URL,db_name Name the database
String Username="username"; // user name
String Password="password"; // password
Class.forName(Driver);
Connection con=DriverManager.getConnection(URL,Username,Password);
Oracle:
String Driver="oracle.jdbc.driver.OracleDriver"; // How to connect to the database
String URL="jdbc:oracle:thin:@loaclhost:1521:orcl"; //orcl For database SID
String Username="username"; // user name
String Password="password"; // password
Class.forName(Driver) ; // Load database driver
Connection con=DriverManager.getConnection(URL,Username,Password);
DB2:
String Driver="com.ibm.dbjdbc.app.DBDriver"; // Connection has DB2 Client's Provider example
//String Driver="com.ibm.dbjdbc.net.DBDriver"; // Connection does not have DB2 Client's Provider example
String URL="jdbc:db2://localhost:5000/db_name"; //db_name Name the database
String Username="username"; // user name
String Password="password"; // password
Class.forName(Driver) ;
PostgreSQL:
String Driver="org.postgresql.Driver"; // How to connect to the database
String URL="jdbc:postgresql://localhost/db_name"; //db_name Name the database
String Username="username"; // user name
String Password="password"; // password
Class.forName(Driver) ;
Connection con=DriverManager.getConnection(URL,Username,Password);
Microsoft SQL Server :
String Driver="com.microsoft.sqlserver.jdbc.SQLServerDriver"; // Connect SQL Database method
String URL="jdbc:sqlserver://localhost:1433;DatabaseName=db_name"; //db_name Name the database
String Username="username"; // user name
String Password="password"; // password
Class.forName(Driver).new Instance(); // Load data to drive
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