This module enables updates to multiple databases within a single transaction. It is integrated with [[module ceylon.dbc]]. First, obtain a reference to the [[transaction manager|TransactionManager]] by importing its [[singleton instance|transactionManager]]: import ceylon.transaction.tm { tm=transactionManager } Then [[start|TransactionManager.start]] it: tm.start(); The `TransactionManager` needs to know about every JDBC [[datasource|javax.sql::XADataSource]] so that it ...