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sqlserver、mysql、oracle各自的默认端口号
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";