multi-database transaction

基本解释

The multi-propose connection strategy cannot control the database operation for the same transaction and cannot ensure the ACID attribute, etc.
使用的连接复用策略无法控制属于同一个事务的多个数据库操作，不能保证事务的ACID属性等。
Certainly, XML database must have a sound mechanism for transaction processing that is an extremely important to concurrent access for multi-user.
当然，XML数据库也必须具备完善的事务处理机制，这对于XML数据库多用户并发访问时极其重要的。
ZODB is a robust, multi-user, object-oriented database system capable of storing and managing arbitrarily complex Python objects with transaction support and concurrency control.
ZODB 是一个健壮的、多用户的和面向对象的数据库系统，它能够存储和管理任意复杂的 Python 对象，并支持事务操作和并发控制。