Because there is no error handling logic, you must rely on database constraints to ensure semanticintegrity of the data.
因为没有错误处理逻辑，必须依靠数据库的限制，以确保数据的语义完整性。
2
Logical integrity refers to the logical structure of the database protection, including the semanticintegrity and operational integrity.
逻辑完整性是指对数据库逻辑结构的保护，包括数据的语义完整性与操作完整性。
3
We looked at classical transaction processing and how it enables data integrity across a number of actions by forcing an all-or-none semantic to the set of actions.