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Managing Multimedia and Unstructured Data in the Oracle Database by Marcelle Kratochvil

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Security

The most efficient way of controlling which users should be allowed to access images is best done via roles. A role is a very simple concept but a lot of people who have never used them struggle to understand what they do.

A role enables fine-grain access to a set of images. It enables security to be configured based on the business requirements. Roles also enable security to be changed very quickly and easily.

With security one has to always remember that it's a balancing act. The more restrictive and tighter the security, the less chance there is of unauthorized access. The tighter and more restrictive the security is, the harder it can actually be for a user to do their job, to perform queries, or do things quickly. The less security, ...

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