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Within the Police Department, some users will have limited requirements with low-security data; for example, doing basic data entry and running standard reports. Other users

Within the Police Department, some users will have limited requirements with low-security data; for example, doing basic data entry and running standard reports. Other users will need more extensive access, including access to high-security data. Briefly explain why the separation between the logical schema and external schema will support the different levels of secure data access required by the different users?

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