MySQL，MySQL，Oracle 默认的port ,url,drivername

一.SQL Server默认端口号为：1433

url:"jdbc:microsoft:SQL Server://localhost:1433;DatabaseName=dbname"

drivername:"com.microsoft.jdbc.SQL Server.SQL ServerDriver";  

二   MySQL 默认端口号为：3306

    url:jdbc:MySQL://localhost:3306/test? user=root&password=&useUnicode=true&characterEncoding=gbk
    drivername:"com.MySQL.jdbc.Driver";

三    Oracle 默认端口号为：1521
     url:"jdbc:Oracle:thin:@localhost:1521:orcl ";  
    drivername:"Oracle.jdbc.driver.OracleDriver