sqlserver、mysql、oracle关于jdbc连接

sqlserver默认端口号为：1433


URL:"jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=dbname"


DRIVERNAME:"com.microsoft.jdbc.sqlserver.SQLServerDriver";


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";


oracle    默认端口号为：1521


URL:"jdbc:oracle:thin:@localhost:1521:orcl";


DRIVERNAME:"oracle.jdbc.driver.OracleDriver";