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From GitBox <...@apache.org>
Subject [GitHub] keith-turner commented on a change in pull request #38: Continue tour
Date Thu, 01 Jan 1970 00:00:00 GMT
keith-turner commented on a change in pull request #38: Continue tour
URL: https://github.com/apache/accumulo-website/pull/38#discussion_r150962366
 
 

 ##########
 File path: tour/authorizations.md
 ##########
 @@ -0,0 +1,42 @@
+---
+title: Authorizations
+---
+An Authorization is an authority granted to a User that allows them to read certain data.
A column in Accumulo can have 
+a visibility attached to it, limiting access to the data of that column. Only users who have
an authorization equal to 
+the visibility will be able to read the data in that column.
 
 Review comment:
   One is a set and one is an expression.  Could say a column visibility is a boolean expression
that is evaluated using a scanners authorizations.  If it evaluates to true, then the data
is visible.

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