Analysis of information sources in references of the Wikipedia article "Visão materializada" in Portuguese language version.
materialization[:] A somewhat unsophisticated technique for implementing operations on views according to which (a) the relational expression that defines the view is evaluated at the time the operation is invoked, (b) the view is thereby materialized, and (c) the operation in question is then executed against the relation so materialized.
materialized view[:] Deprecated term for a snapshot. [...] The problem is [...] that (as the definition indicates) snapshots have come to be known, at least in some circles, not as snapshots at all but as materialized views. But snapshots aren't views; views are virtual and snapshots aren't, and 'materialized view' is a contradiction in terms (at least as far as the model is concerned). Worse yet, the unqualified term view is often taken to mean a materialized view specifically, and thus we're in danger of no longer having a good term for a view in the original sense.