explicit transaction

基本解释

CommitTransection()-- Marks the end of a successful implicit or explicit transaction.
标志着一个成功的隐式或显式的结束事务。
RollbackTransection()-- Rolls back an explicit or implicit transaction to the beginning of the transaction, or to a savepoint inside the transaction.
一个显式或隐式事务回滚事务的开始，或者保存点内部的事务。
The truth is that this code line starts an explicit transaction for the connection to the DB2 database which is committed by con_db2.commit() (line 19).
而事实却是该行代码启动了一个显式事务，用于连接到由 con_db2.commit()（第 19 行）所提交的 DB2 数据库。