multi-database transaction

基本解釋

The multi-propose connection strategy cannot control the database operation for the same transaction and cannot ensure the ACID attribute, etc.
使用的連接復用策略無法控制屬于同一個事務的多個數據庫操作，不能保證事務的ACID屬性等。
Certainly, XML database must have a sound mechanism for transaction processing that is an extremely important to concurrent access for multi-user.
當然，XML數據庫也必須具備完善的事務處理機制，這對于XML數據庫多用戶并發(fā)訪問時極其重要的。
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 是一個健壯的、多用戶的和面向對象的數據庫系統，它能夠存儲和管理任意復雜的 Python 對象，并支持事務操作和并發(fā)控制。