compareSQLLite 查詢的起迄差

摘要:compareSQLLite 查詢的起迄差

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.Date;
 
 
public class compareSQLLite {
 
/**
* @param args
*/
public static void main(String[] args) {
 //SQLLite
 Connection con = null;
 try {
 //calc sqlserver time
 Date d1 = new Date();
 System.out.println("Start time====" +(d1.getTime())/1000);
 
 Class.forName("org.sqlite.JDBC").newInstance();
 con = DriverManager.getConnection("jdbc:sqlite:D:\\DB\\sqllite\\test.db");
 Statement stmt = con.createStatement();
 ResultSet res = stmt.executeQuery("select * from YDD_RESOURCE_DESCRIPTION ");
 stmt.close();
 res.close();
 
 Date d2 = new Date();
 System.out.println("End time====" +(d2.getTime())/1000);
 System.out.println("compare time 秒====" +(d2.getTime()-d1.getTime())/1000);
 }
 catch (Exception ex) {
     ex.printStackTrace();
 }
 
}
 
}