import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.SQLException;

public class Test {

/**

* 獲取數據庫連接方法

* @param driverName 驅動

* @param url url

* @param userName 用戶名

* @param password 密碼

* @return

*/

public static Connection getConn(String driverName, String url, String userName, String password) {

Connection connection = null;

try {

Class.forName(driverName);

connection = DriverManager.getConnection(url, userName, password);

} catch (SQLException e) {

e.printStackTrace();

} catch (ClassNotFoundException e) {

e.printStackTrace();

}

return connection;

}

public static void main(String[] args) {

//mysql

Connection conn = getConn("com.mysql.jdbc.Driver", "jdbc:mysql://localhost:3306/[數據庫名]", "用戶名", "密碼");

sqlserver

//Connection conn = getConn("com.microsoft.sqlserver.jdbc.SQLServerDriver", "jdbc:sqlserver://[遠程IP]:[端口];Database Name=[數據庫名]", "用戶名", "密碼");

// //hsql

//Connection conn = getConn("org.hsqldb.jdbcDriver", "jdbc:hsqldb:hsql://[遠程IP]:[端口]/[數據庫名]","用戶名", "密碼");

oracle

//Connection conn = getConn("oracle.jdbc.OracleDriver", "jdbc:oracle:thin:@[遠程IP]:[端口]:[數據庫名]","用戶名", "密碼");

db2

//Connection conn = getConn("com.ibm.db2.jcc.DB2Driver", "jdbc:db2://[遠程IP]:[端口]/[數據庫名]", "用戶名", "密碼");

System.out.println(conn); //打印數據庫驅動

}

}

sql分頁查詢：

//oracle

select? * ?from (select ?rownum? rm,? * ?from? tableName? where? rownum=startRow;

//mysql

select? *? from? tableName? limit??startRow , rowNum ;

//sqlserver

select? top? (startRow + rowNmu)? from? tableName ;

//db2

select? *? from? tableName? limit??startRow , rowNum ;

//hsql

select? limit? startRow? rowNum? *? from (select? *? from? tableName) ;

總結

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