Hiding parts of the XML content through an XQuery update view does not modify the stored content, but allows the utilization of security features of a traditional relational view.

通过XQuery更新视图隐藏XML内容的某些部分并不会修改存储的内容，而是允许利用传统的关系视图的安全特性。

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Sometimes it might be more effective to code the security of a system through policies, but policies are generally different from security-specific and testing-specific policies.

有时候通过策略编码系统的安全性更为有效，但策略通常与安全特定的策略及测试特定的策略不同。

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Mr. Attali advocates a union of the G20 and the UN Security Council, but he also wants to help the world's poor through microfinancing and loans.

阿塔利先生提倡兼并20国集团与联合国安全理事会，同时也想通过小额贷款和信贷帮助世界上那些贫困国家。

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The eyewitness says the two vehicles first attempted to enter through the airport, but were refused access by security guards.

VOA: standard.2009.09.17

Heathrow achieved an all-time record passenger satisfaction score in a survey produced by the Airports Council International for the third quarter, but the percentage of people passing through central security within the prescribed time was below last year's level at 92.8% in 2012.

BBC: An aeroplane at Heathrow Airport

But the clever thieves bypassed the security by entering through the rear of the building that held the vault, via a garage door that opened outside the secure portion of the district.

CNN: Diamond heists are forever

The coach passed through at least two security checkpoints without a problem, but at a third checkpoint in Querobabi the passengers were ordered off the bus during the search.

BBC: Yanira Maldonado freed from Mexican jail