What are materialized views in SQL and how do they work?
Materialized views are database objects that store the result of a query physically. They can improve performance by pre-computing expensive joins and aggregations.
How do I create a materialized view in SQL?
You can create a materialized view using the CREATE MATERIALIZED VIEW
statement followed by the view name and the query. For example: CREATE MATERIALIZED VIEW my_view AS SELECT * FROM my_table;
What are the benefits of using materialized views?
The benefits include improved query performance, reduced load on the database, and the ability to store complex query results for faster access.
Are there any downsides to using materialized views?
Yes, materialized views can consume more storage space and require maintenance to keep the data up-to-date, which can add overhead.
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