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Row Level Security 3 – In Pictures! November 22, 2012

Posted by mwidlake in database design, security.
Tags: , ,
3 comments

<..Part one intro and examples
<….Part two Permissions

I’ve noticed that there has not been a lot of traffic on this series on Row Level Security (data masking) so far – maybe due to how I am presenting the material? So here is a summary to date in picture/diagram format:

This is the flow of logic as to whether Row Level Security is applied to the SQL statement. Usually this is a query and usually it is on a table but the policy can be applied to other DML and also on views and synonyms:

These are the steps you need to add RLS to a table:

Below is a summary of how oracle fires and uses RLS functions and the predicates they provide:

An finally, a summary of what happens if an RLS function is invalid:

If you have not looked at the previous posts on this topic, more details are in there.

Enjoy!

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