Write upto 250 words to answer How would you use a materialised view that can be used to enhance performance and undergo query re-write? Include the following in your answer:-
Use an external source of reference from your reading
Use an example to show how Query Rewrite can be confirmed
How updates on materialised views base tables can affect query rewrite
How could a refresh of materialised view be done? Discuss the advantages and disadvantages of your chosen method of refresh over the other techniques.
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