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Image redaction.png summarizes how the policies described in this section work in a chain of views.
For columns redacted by policy t1pol on table1, all four (table1.tc1, tn1; view1.vc1, vn1; view2.vc2, vn2; view3.vc3, vn3) apply.
For columns redacted by policy v2pol on view2, view2.vc2, vn2 and view3.vc3, vn3 apply.
For columns redacted by policy v1pol on view 1, the views view1.vc1, vn1; view2.vc2, vn2; and view3.vc3, vn3 apply.
For the combined effect of redacted columns from v1pol and v2pol after t1pol is disabled, first the view2.vc2, vn2and view3.vc3, vn3 views apply, and then all three views (view1.vc1, vn1; view2.vc2, vn2; view3.vc3, vn3) apply.