On a request to obtain connections, the Oracle JDBC driver will provide physical connections from the running rac nodes.
在请求获取连接时，OracleJDBC驱动程序将从运行的rac节点提供物理连接。
When you use a non-XA driver in a distributed transaction, always obtain a JDBC connection after the distributed transaction is begun.
当在分布式事务中你使用非xa驱动时，经常在分布式事务被开始后获得JDBC连接。
When you use a non-XA driver in a distributed transaction, always obtain a JDBC connection after the distributed transaction is begun.
当在分布式事务中你使用非xa驱动时，经常在分布式事务被开始后获得JDBC连接。
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