Because there is no error handling logic, you must rely on database constraints to ensure semantic integrity 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。

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Logical integrity refers to the logical structure of the database protection, including the semantic integrity 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。

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Logical integrity refers to the logical structure of the database protection, including the semantic integrity 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。

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