... RBAC^1.1

Role Based Access Control [2],[3]

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... protocol^1.2

Secure Shell [4]

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... features^1.3

The setup described here should be fullfiled during software installation

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... schema^1.4

Schema is essentially a namespace which contains named objects like tables, views whose names duplicates those of other objects existing in other schema's (PostgreSQL [1]).

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... views^1.5

The view is, in essence, a virtual table. It does not physically exist. Rather, it is created by a query joining one or more tables.

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... (RBAC^1.6

Role Based Access Control [2],[3]

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... SQL^1.7

if the descriptor value is defined as a list or range then the value from user SQL is searched on the list or it is collated with the range; in case of view the select statement is executed to verified this value.

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... operator^1.8

This is true only if we have a list of value, in case of the range values are merged by AND operator

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... element^1.9

NOT expression can help prevent views before duplicated records

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... (AR\_Groups)^1.10

The table was already presented in the section 1.5

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