jdbc Oracle JDBC连接
示例
司机：
12cR1
11克R2
（注意：该驱动程序未包含在MavenCentral中！）
驱动程序类初始化：
Class.forName("oracle.jdbc.driver.OracleDriver");连接网址
较旧的格式，带有SID
"jdbc:oracle:thin:@<hostname>:<port>:<SID>"
较新的格式，带有服务名称
"jdbc:oracle:thin:@//<hostname>:<port>/<servicename>"
Tnsnames条目
"jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS=(PROTOCOL=TCPS)(HOST=<hostname>)(PORT=<port>))"
+"(CONNECT_DATA=(SERVICE_NAME=<servicename>)))"RAC群集连接字符串以进行故障转移
"jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS_LIST=(LOAD_BALANCE=OFF)(FAILOVER=ON)"
+"(ADDRESS=(PROTOCOL=TCP)(HOST=<hostname1>)(PORT=<port1>))"
+"(ADDRESS=(PROTOCOL=TCP)(HOST=<hostname2>)(PORT=<port2>)))"
+"(CONNECT_DATA=SERVICE_NAME=<servicename>)(SERVER=DEDICATED)))"示例
connection = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl", "HR", "HRPASS");