Difference between views and materialized views?
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Answer Posted / pinkey
A view is just a stored query and has no physical part.
Once a view is instantiated, performance can be quite good,
until it is aged out of the cache. A materialized view has
a physical table associated with it; it doesn't have to
resolve the query each time it is queried. Depending on how
large a result set and how complex the query, a
materialized view should perform better.
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